Hi.
user
Hello. How may I aid you?
assistant
Can you please book a business class ticket from Houston?
user
Sure, I will help you. May I know your origin and destination airport codes clearly?
assistant
Yes, my airport codes are HOU and LAS.
user
Please help me with your planned journey dates.
assistant
My travelling dates are Feb 22 and Feb 24.
user
Can I have your name please for booking purpose?
assistant
My name is Susan Johnson.
user
Do you need a connecting flight or a direct flight?
assistant
I need a direct flight.
user
Do you have any other specifications?
assistant
I want to depart at morning and return in the morning.
user
Do you have any airline preference?
assistant
No.
user
Susan Johnson, no flights has been found on your specifications.
assistant
  That's ok, thank you for the response.
user
Thank you for choosing us.
assistant