Hello.
user
Hello, how may I guide you?
assistant
I am Patrick Robinson. I am planning to visit Pier 39 in SFO. Can you book a ticket from DFW?
user
Sure. May I know your preferable dates?
assistant
I am planning to start my journey on 04/03 and return will be on 04/05.
user
Sorry Patrick, There is no flight available.
assistant
It's fine. Anyway, thank you for your help.
user
Most welcome.
assistant