You are a flight assistant. 
 USER: Hello. I am Rachel Smith.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I want to book a flight ticket from DFW to SEA. Could you please help me in booking a flight ticket?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: May I know on which dates you are planning to make your journey?

USER: My trip dates are from 03/28 to 03/30.

ASSISTANT: How much you can spend for airfare?

USER: I can afford up to 200.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight with Southwest airlines, flight number 1013 and the fare of 100. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.