You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER:  I am Benjamin Lee want to fly from DTW to DFW to attend my brother wedding. Can you book a connecting flight?

ASSISTANT: Sure, may I know when do you want to travel?

USER: My travel dates are 05/22 and 05/24.

ASSISTANT: How much fare are you expecting?

USER: I can spend up to 200.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Frontier airline with flight number 1027 is going on your way and the fare is 200. Shall I proceed?

USER: Ok, you can proceed with booking.

ASSISTANT: Your booking has been done.

USER:  Thank you for booking.

ASSISTANT: Thank you for choosing us.