You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Please help me to book a flight ticket from LAX to DFW.

ASSISTANT: May I know your travel dates?

USER: I will start on Mar, 27 and return on Mar, 29.

ASSISTANT: Please let me know if you have any class preference.

USER: I am ok with any class.

ASSISTANT:  To proceed further, can I have your name please?

USER: Steven Clark here.

ASSISTANT: Do you have any other requirements to be met?

USER: No.

ASSISTANT: I found a connecting flight-1014 in economy class, shall I proceed?

USER: Please proceed.

ASSISTANT: Booking is done on AA airlines.

USER: Thank you.

ASSISTANT: Welcome Steven Clark.