You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Brandon Phillips here. Can you please help me in booking a flight ticket from DFW to LAX?

ASSISTANT: Sure, may I know your travel dates?

USER: I would like to travel on Jan 9 and return on Jan 11.

ASSISTANT: Do you prefer economy or business class?

USER: I am comfortable with any of the class.

ASSISTANT: We found a economy flight on your details with airline Delta, flight number: 1001. Shall I book this ticket?

USER: Make sure that, I can afford upto 1000.

ASSISTANT: Ok.

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking flight ticket.

ASSISTANT: Thank you.