You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Alexander Adams, I want to book ticket from DFW to ATL. Can you help me in booking the ticket?

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

USER: My travelling dates are September 15th and September 17th.

ASSISTANT: How much you can afford for airfare?

USER:  I can afford 200 only.

ASSISTANT: Wait a moment please.

USER: Ok, take your time.

ASSISTANT: Southwest airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: You can proceed with the booking.

ASSISTANT: Your ticket is booked with the flight-1026.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.