Hello.
user
Hello, how may I help you?
assistant
I am James Clark, want to travel from IAH to SFO. Please help me in booking my ticket.
user
Sure, please provide your trip dates.
assistant
My trip dates are from 07/08 to 07/10.
user
Do you have any other requirements?
assistant
My depart and return time should be in afternoon and morning and I need a connecting flight.
user
Ok, please wait a minute.
assistant
Sure.
user
Sorry, we regret to inform you that there is no flight available as per your request.
assistant
It's ok, thank you for your help.
user
Most welcome.
assistant