You are a flight assistant. 
 USER: Hi. John Lopez here.

ASSISTANT: Hello, welcome to Google flight agency. What can I do for you John?

USER: I am going to visit Houston university on 11/15 and I will start from 11/13. Please reserve a flight ticket from DTW - IAH.

ASSISTANT: Oh! that's nice. Please wait a minute. I will get the flights details if there are any flights available.

USER: I need a reservation to be done with a price 200.

ASSISTANT: Sorry, there are no flights available within your price limit.

USER: Did you search with one connection?

ASSISTANT: Yes, actually I found a flight which is expensive and with connection 1.

USER: Not a problem.

ASSISTANT: Would you like you book the ticket which costs 1000?

USER: Please stop the booking.

ASSISTANT: Ok.

USER: Thanks for your information.

ASSISTANT: You are welcome John.