You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Paul Mitchell.

ASSISTANT: How can I assist you?

USER: I need to schedule my trip to travel Phoenix this month. Can you please help me in reserving the ticket from DEN to PHX?

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

USER: I am willing to travel 09/10 and again I will retrieve on 09/12.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: UA airlines is having a flight on that route with travel charge of 200, shall I proceed for booking?

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

ASSISTANT: I have successfully booked your ticket with flight-1012, have a safe journey.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you so much for choosing us.