Hello.
user
Hello. How can I  help you?
assistant
I am Anthony Mitchell. Please book me a ticket from SFO to HOU to meet my family.
user
Your travelling dates please?
assistant
I have planned to travel on Sept 15th and return on Sept 17th.
user
Do you have any specifications?
assistant
I would like to return at evening time.
user
Do you need connection flight?
assistant
Yes, I prefer connecting flight.
user
I am sorry no flights found on your route.
assistant
Ok, no problem.
user
Thank you for choosing us.
assistant
Thank you.
user