You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Elizabeth Walker.

ASSISTANT: How can I assist you?

USER: I need to schedule my trip to Denver for next week. Could you please help me in booking the ticket from BOS to DEN?

ASSISTANT: Sure, I'll help you in that. May I know your travel dates please?

USER: I will take-off 06/23 and again I will be return back on 06/25.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Spirit airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Yes, I think that can work for me.

ASSISTANT: Your ticket has been booked with flight-1022, have a safe journey.

USER: Thank you very much for booking the ticket.

ASSISTANT: Thank you for choosing us.