You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I have to go LGA for business meeting purpose, can you please book a flight ticket from Detroit?

ASSISTANT: If you know Detroit's airport code then please let me know.

USER: My origin airport code is DTW.

ASSISTANT: What is your travelling dates?

USER: My departure date is 06/02 and please book my return ticket also on 06/04.

ASSISTANT: There is a flight with 1 connection. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Before proceeding, please can you tell me your name?

USER: Sure, my name is Stephanie Brown.

ASSISTANT: Your ticket is booked in 1012 flight.

USER: Thank you for your help.

ASSISTANT: Welcome.