You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Katherine Brown from New York.

ASSISTANT: How may I assist you at this moment Brown?

USER: I want to go to Denver next week for my film shooting purpose, can you please book a flight ticket for me?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable departure and return dates of travelling?

USER: Thank you, I want to take off on 08/08 and book my return ticket also on 08/10.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: I want to fly from LGA and destination airport is DEN.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Ok.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 200 provided by UA airlines. Shall I proceed with this?

USER: That's perfect, please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been booked in flight number 1001.

USER: Thank you for your service in flight ticket booking process.

ASSISTANT: Thank you for approaching us, hope you have a great journey.