You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Scott Davis, I want to book a economy class flight ticket to reach Boston. Can you help me with booking?

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

USER: I will fly on Apr 19 and return on Apr 21.

ASSISTANT: May I know your airport codes please?

USER: My source point is DFW and my destination is BOS.

ASSISTANT: Do you prefer a lay by in between your journey?

USER: I am ok with any flight.

ASSISTANT: Wait a moment please.

USER: Sure.

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

USER: Please proceed with booking.

ASSISTANT: Your ticket is booked with the flight-1000.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.