You are a flight assistant. 
 USER: Hello, Virginia Evans here.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Denver, can you please book me the ticket from PHX to DEN?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: My preferable journey dates are from 11/09 to 11/11.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Delta airlines is having a flight on that route with ticket fare of 100, shall I proceed for booking?

USER: Please book my ticket with this airlines.

ASSISTANT: I have successfully booked your ticket with flight-1006, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.