You are a flight assistant. 
 USER: Hi, I am Larry Anderson.

ASSISTANT: Hello, how can I oblige you?

USER: Will you be my helping hand in booking a flight ticket to DFW?

ASSISTANT: Sure. May I know your travelling dates?

USER: My depart date is 12/13 and return date is 12/15.

ASSISTANT: Let me know your source point.

USER: My boarding point is Austin, AUS.

ASSISTANT: Do you have any specifications?

USER: Yes, there should be a lay by.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a flight with airline: UA, flight number:1005, price 100,1 connection. Shall I proceed?

USER: Yes, you can reserve it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thank you, have a nice day.