You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I need to book a flight ticket from DTW to OAK, Can you please help me for booking?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I would like to travel on 03/04 to return on 03/06.

ASSISTANT: Do you have any particular time for departing and returning?

USER: No.

ASSISTANT: May I know your other specifications?

USER: I need a connecting flight.

ASSISTANT:  May I know your name for the documentation process?

USER: William Garcia here.

ASSISTANT: There is a flight-1013 with 1 connection in economy class, shall I book it?

USER: Ok, proceed.

ASSISTANT: Ok, booking is done on Delta airlines.

USER: Thanks for your information.

ASSISTANT: Thanks for choosing us.