You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you for today?

USER: Can you please book me a flight ticket on 03/29 to visit my Uncle's house?

ASSISTANT: Ok, may I know your returning date?

USER: Sure, my return date is 03/31.

ASSISTANT: May I know your airport codes please?

USER: My source is Detroit, MI - DTW. And my landing is Oakland, CA - OAK.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Flight-1029 by Delta airlines is available for you with 1 connection at the price of 200. Shall I book it?

USER: Ok, please proceed my booking on the name of Cynthia Turner.

ASSISTANT: Booking done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.