Hi.
Hello. How may I help you?
I am Larry Garcia, can you help me to book a evening flight from SFO?
I am happy to help you, may I know your travelling dates?
My travelling dates are 02/03 and 02/05.
May I know your destination?
My destination airport code is IAH.
 We regret to inform you that there are no flights moving to your region with your planned dates.
No issues, thank you for your time.
Thanks for reaching us.