Hello.
user
Hello. I hope you are good today, how can I help you?
assistant
Thanks. I am Mark Adams from Las Vegas. I have to go to Denver next month, can you please book a flight ticket for me?
user
Sure Mark, please  provide me your airport codes.
assistant
I want to fly from LAS and destination airport is DEN.
user
May I know your travel dates please?
assistant
I want to take off on 07/02 and book my return ticket also on 07/04.
user
There is a flight 1005 of Delta airlines available on your route.
assistant
I am ok with this flight, please proceed.
user
Ok, your ticket is confirmed.
assistant
Thank you for your help.
user
Most welcome.
assistant