Hello.
user
Hello. How can I aid you at this moment?
assistant
I am planning to visit Houston HOU from Las Vegas LAS. Can you find a flight ticket for me?
user
Sure, I will help you to book the ticket. What is your good name?
assistant
Yes, I am Mark Harris.
user
On which dates you are willing to travel?
assistant
Ok, my planned trip dates are on Aug 23 and return on Aug 25.
user
Ok, do you have any connection limit specification?
assistant
Yes, I need a single connecting flight.
user
Ok, please tell me your class preference.
assistant
Yes, I want a economy class.
user
Ok, please wait a minute.
assistant
Yes, I want to return at Evening time.
user
Sorry to tell you, there is no flight found with your details.
assistant
That's fine, no problem. Thank you for your information.
user
You are most welcome. Have a nice day.
assistant