Hello.
user
Hello. How can I assist you?
assistant
My name is Richard Lee. I want to meet my sister in San Francisco, could you help me in booking the ticket?
user
Yes, please provide the travelling details?
assistant
It's from IAH to SFO.
user
Ok, please give me a second.
assistant
The dates of travel are 05/10 to 05/12. Ok.
user
Sorry, there are no flights available with your requirements.
assistant
That's ok. Thank you for your time.
user
Thank you for choosing us.
assistant