You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good morning.

USER: Myself Melissa Phillips.

ASSISTANT: Phillips, how can I assist you today?

USER: I want to visit the historical monuments at Denver, I want to book a ticket from HOU.

ASSISTANT: Sure, can you provide me your journey dates?

USER: My trip dates are from 11/18 to 11/20.

ASSISTANT: Sure, may I know your destination airport code?

USER: My destination airport code is DEN.

ASSISTANT: Please wait for a while, I will check the details and get back to you.

USER: Sure.

ASSISTANT: There is flight available with JetBlue airlines, shall I proceed with booking your ticket?

USER: Ok, please proceed my booking.

ASSISTANT: Your ticket is confirmed successfully with the flight number 1013.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for choosing our service, have a safe flight.