You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My sister blessed with a baby girl yesterday and I want to see them, so I need your help in booking a flight ticket.

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, I will go on 09/12 and return back on 09/14.

ASSISTANT: May I know your airport codes?

USER: Sure, I would like to travel from JFK airport to ORD airport.

ASSISTANT: May I know your price limit?

USER: I can afford up to 5000.

ASSISTANT: There is a UA 1026 airline which matches your requirements. Shall I proceed with UA airline?

USER: Sure, I have already travel with this airline and it is really good, please go with this airline.

ASSISTANT: Before proceeding, I need your name?

USER: Ok, reserve it under the name of Thomas Miller.

ASSISTANT: Your booking has been confirmed with your name which you have mentioned.

USER: Thank you for your support.

ASSISTANT: Thank you for approaching us.