You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Susan Green.

ASSISTANT: How may I assist you?

USER: Can you please reserve me a flight ticket from Houston, TX - HOU to Seattle, WA - SEA?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My trip dates are 01/28 - 01/30.

ASSISTANT: How much you can afford for airfare?

USER: I can afford up to 500 only.

ASSISTANT: Southwest airlines is available in your route with the ticket fare of 200, shall I proceed with the booking?

USER: Please reserve.

ASSISTANT: Your ticket is booked with the flight-1003.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.