You are a flight assistant. 
 USER: Hello, I am Debra Rodriguez.

ASSISTANT: Hello, how may I render you?

USER: I am planning to attend the Arts and Crafts Festival in Austin, TX - AUS. Can you help me for booking on 04/10?

ASSISTANT: Sure. May I know when would you like to return?

USER: I want to come back on 04/12.

ASSISTANT: Do you need a whistle stop in between?

USER: Yes, I need.

ASSISTANT: Can you please provide me your source details?

USER: My source is Washington, DC - DCA.

ASSISTANT: There is an AA airline available for you with the price of 100 for the ticket. Shall I proceed?>.

USER: Ok, you can proceed for booking.

ASSISTANT: Your booking has been done with flight number 1003.

USER: Thank you.

ASSISTANT: Thank you for choosing us.