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