Make a dialogue of at least 8 sentences on the topic according to the situation given。
The National Day is coming. Fred and Jeff are friends. They want to take a trip together.
J: Hi, Fred. The National Day is coming and we'll have a seven-day holiday. What will you do?
F: I want to go outside Shanghai this time. How about taking a trip?
J: That sounds great! Where do you want to go?
F: I have no ideas. Just somewhere with fresher air and fewer people.
J: What about Tibet? If you agree, I'll go with you.
F: Really? Are you kidding?
J: No, I am serious. I want to go there, too.
F: OK! Let's call the travel agency and find more information.