Hello.
user
Hello. How can I help you?
assistant
I want to book a flight ticket from Los Angeles LAX to Denver DEN. Can you find a flight ticket for me?
user
Sure, May I know your travelling dates?
assistant
Ok, my planned trip dates are on Oct 15 and return on Oct 17.
user
Do you have any class preference?
assistant
Yes, I need an economy class.
user
Is there any other preferences?
assistant
Yes, I want to return in the evening time.
user
May I know your name?
assistant
Yes, I am Samantha Young.
user
Thanks for your details, there are no flights found on your data.
assistant
Ok, not an issue. Thank you for your help,.
user
Thank you.
assistant