You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Debra Campbell. I want to travel from DEN to HOU. Can you help me to book a flight ticket?

ASSISTANT: May I know your desired travel dates please?

USER: I want to travel on 12/30 and 01/01.

ASSISTANT: There is a flight with connection limit 1 and fare 500, shall I proceed for booking?

USER: Proceed to booking.

ASSISTANT: Your ticket is booked, flight number 1020.

USER: Thank you for your help.

ASSISTANT: Thank you for your help. Thank you for opting us.