Hello.
user
Hello, how can I help you today?
assistant
I want to book a flight from Houston, TX - IAH to Oakland, CA - OAK. Can you please help?
user
Sure, may I know your planned travel dates?
assistant
I have planned this trip from 02/07 to 02/09.
user
May I know your good name?
assistant
Sure, my name is Sharon Green.
user
Sorry to say that, no flights were found with your given details.
assistant
Not a problem, thank you.
user
Thank you for reaching us.
assistant