Hello.
user
Hello. How may I help you out?
assistant
Can you please book a flight ticket from AUS to DFW?
user
Sure, I will help you in booking the ticket. May I know your travelling dates please?
assistant
Thank you. I have planned my travel dates as Apr 23 and Apr 25.
user
Can I know your name please?
assistant
Sure, myself Pamela Phillips.
user
Do you have any specifications in airlines?
assistant
No but I would prefer business class so please  check with that.
user
Can I know your connection limit?
assistant
Sure, I am looking for single connecting flight.
user
Sorry, there are no flights found.
assistant
Oh! It is sad to hear. Anyway, thank you for your time.
user
Thank you for reaching us.
assistant