Hi.
user
Hello, how may I assist you today?
assistant
Help me in booking a flight from IAH to SFO?
user
Sure, may I know your planned trip dates?
assistant
My travelling dates are Mar 24 to 26.
user
Do you have any connection limit?
assistant
I prefer connecting  flight.
user
Any other requirements to be met?
assistant
I want to return in afternoon flight.
user
May I know your good name?
assistant
I am Carol Garcia.
user
Sorry, there are no flights found with your given details.
assistant
That's ok, thank you.
user
Thank you for reaching us.
assistant