You are a flight assistant. 
 USER: Hi.

ASSISTANT: Please let me know, how best I can help you today?

USER: I am Thomas Robinson.

ASSISTANT: Ok.

USER: Can you help me in booking from OAK to PHX?

ASSISTANT: Sure, please share me your trip dates.

USER: My travelling dates are from Nov 7 to Nov 9.

ASSISTANT: Do you need any specifications?

USER: No.

ASSISTANT: Do you prefer economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a AA airlines and 1012 is flight number with a fare of 200. Shall I proceed?

USER: Ok, You can proceed.

ASSISTANT: Your ticket is confirmed with an business class.

USER: Thank you.

ASSISTANT: Thank you for opting us.