Hello.
user
Hello. How can I help you?
assistant
I want to book a flight ticket from PHL to LAS. Can you find a flight ticket for me?
user
Please provide your journey dates?
assistant
Ok, my planned trip dates are on Oct 29 and return on Oct 31.
user
Do you have any preference?
assistant
Ok, I need a single connecting flight.
user
Can I know your name?
assistant
Ok, my name is Mary Walker.
user
I regret, there is no flight for your travelling dates.
assistant
Ok, not a problem.
user
Thank you.
assistant
Thank you for your information.
user