You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: I would like to make my trip to Denver to spend my holidays there, can you please help me in booking a flight from IAH to DEN?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates to proceed further?

USER: Sure, my trip dates are from 02/20 to 02/22.

ASSISTANT: Meanwhile, please provide your name.

USER: Myself Susan Collins.

ASSISTANT: Delta airlines is available on this route with 1 stop over and ticket costs you only 100, shall I book your ticket?

USER: Ok, please book that flight.

ASSISTANT: Susan Collins, your ticket is booked with flight number 1023.

USER: Thank you for the help.

ASSISTANT: Thank you and have a safe journey.