You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Daniel Jackson.

ASSISTANT: Daniel, how can I assist you?

USER: I choose your agency as I need some assistance in booking a flight ticket from DEN on 08/14.

ASSISTANT: May I know your destination airport code and return journey date?

USER: Sure, my destination airport code is OAK and my return date is 08/16.

ASSISTANT: Let me check our database, please hold on for a while.

USER: Ok.

ASSISTANT: Frontier airlines with flight 1006 is available for you.

USER: Ok, please confirm my reservation.

ASSISTANT: Your ticket is confirmed.

USER: Thank you so much for the help.

ASSISTANT: Thank you for contacting us.