Hi.
user
Hello. How can I  help you?
assistant
Can you please reserve me a flight ticket from OAK to HOU?
user
Your travelling dates please?
assistant
My trip dates are 10/31 - 11/02.
user
Do you have any specifications?
assistant
My return time is in the evening.
user
Sorry, there is no flight available with your requirements.
assistant
It's ok, thank you.
user
May I know your name?
assistant
I am Catherine Martin.
user
Thank you for reaching us.
assistant