Hello.
user
Hello. How may I help you today?
assistant
Can you book a flight ticket from DFW to HOU?
user
Sure, I am here to help you with that. Can I know your planned trip dates?
assistant
Apr, 4 and Apr, 6 are my trip dates.
user
May I know your name?
assistant
Karen Clark here.
user
Do you have any other requirements?
assistant
I need to travel in connecting flight with business class.
user
Ok, wait for a minute.
assistant
Sure.
user
Sorry to say that, there are no flights available based on your travelling dates.
assistant
That's ok, thank you.
user
Thank you for approaching us.
assistant