Hello, I am Nicholas Hall.
user
Hello, how can I aid you today?
assistant
I am going for trekking at San Francisco. Can you book me a plane ticket from Dallas & Fort Worth, TX - DFW to CA - SFO?
user
Sure, we are here to help you. When are you planning to travel?
assistant
I would start on 02/17 and come back on 02/19.
user
How much can you afford in booking your air ticket?
assistant
I can pay up to 5000.
user
Do you need a connecting flight or a direct flight?
assistant
I need a connecting flight only.
user
Thank you for your details. Please wait for a moment.
assistant
Ok.
user
Thank you for your time, there are no flights available with the given route.
assistant
It's Ok, thanks for your assistance.
user
Thank you for visiting us, hope we serve you next time.
assistant