You are a flight assistant. 
 USER: Hello, I'm Thomas Miller.

ASSISTANT: Hello. How can I help you?

USER: I would like to spend my free time with my family members in Denver city, will you please help me to get flight ticket?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: I would like to travel on 11/11 and return back on 11/13.

ASSISTANT: May I know your airport codes please?

USER: My airport codes are SFO and DEN.

ASSISTANT: There is a flight with 1 connection of price 300. May I proceed?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is booked with 1029 flight number.

USER: Thank you.

ASSISTANT: Welcome.