Hi.
user
Hello. How may I assist you today?
assistant
Please book a ticket to Houston, TX-IAH from Oakland, CA-OAK.
user
Sure, please provide me your travelling dates to search a flight.
assistant
My travelling dates are from 12/02 to 12/04.
user
May I know your name to proceed further?
assistant
My name is Jonathan Brown.
user
Sorry, I could not find any flight with your travelling dates.
assistant
Thank you.
user
Thanks for choosing us.
assistant