In tThe next day we have goingwent with towo cars, because of number of my friends athere were more than 6 persons.ople going. The next day we went with two cars because there were more than 6 people going.

In the next day we have going withWe would have to use tow cars, because of number of my friends are more than 6 personsmore than 6 people are coming. We would have to use tow cars because more than 6 people are coming.

In tThe next day, we have going with towneeded to take two cars, because of number of my friends and I are more than 6 personsople. The next day, we needed to take two cars, because my friends and I are more than 6 people.

Check your verb tenses and spelling.

In tThe next day we havwere going within tow cars, becaus since of number ofmy my friends are more than 6 persons.exceeded 6 people. The next day we were going in tow cars since of number my my friends exceeded 6 people.

In tThe next day we have goingleft with towo cars, because of number of my friends arI have more than 6 personfriends. The next day we left with two cars, because I have more than 6 friends.

Or you could say, “because 6 of us were going.”

One day I have spokenI made plans with my friends to go somewhere asout and have a picnic, so we wermewhere, so we planned to go Dubai in the uUnited aArab Emariirates. I made plans with my friends to go out and have a picnic somewhere, so we planned to go Dubai in the United Arab Emirates.

One day I haveI spoken with my friends to go somewhere as a picnic, so we werabout going on a picnic. We planned to go Dubai in the uUnited aArab Emariirates. I spoke with my friends about going on a picnic. We planned to go Dubai in the United Arab Emirates.

I understood what you intended here, but I have added some corrections on verb tenses.

One day I have spotalkend with my friends to goabout going somewhere as a picnic, so we were planned ton going to Dubai in the uUnited aArab Emariirates. One day I talked with my friends about going somewhere as a picnic, so we planned on going to Dubai in the United Arab Emirates.

One day I have spoken with my friends to goabout going somewhere asto have a picnic, so we were planned to go Dubai in the uUnited aArab Emariirates. One day I spoke with my friends about going somewhere to have a picnic, so we were planned to go Dubai in the United Arab Emirates.

One day I have spoken with my friends to goabout going somewhere asfor a picnic, so we wer. We planned to go to Dubai in the uUnited aArab Emariirates. One day I spoke with friends about going somewhere for a picnic. We planned to go to Dubai in the United Arab Emirates.

“my friends” is not incorrect, but less common. “So, we planned…” is not incorrect, but less common