You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I would like to book a ticket to buy a furniture to my newly constructed home in Nicollet Mall at Detroit. So, please book me a flight with price within 500.

ASSISTANT: Sure, may I know when are you planning to reach there?

USER: Yes, I want to go on 12/26.

ASSISTANT: When would you like to return?

USER: I will be back on 12/28.

ASSISTANT: Kindly mention you airport codes.

USER: My preferable airport codes are ORD and DTW.

ASSISTANT: May I know your name?

USER: Sure, my name is William Jones.

ASSISTANT: JetBlue airline with flight number 1029 and price of 100 available on your requested dates. Shall I proceed to book?

USER: Please go ahead.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for aiding me.

ASSISTANT: Thank you for picking us.