Hello. My name is Paul Williams.
user
Hello, how can I help you today?
assistant
I am trying to book a flight ticket to SFO to meet my sister, could you please help me?
user
Sure, can I know your travel details?
assistant
My preferable travelling dates are from 01/30 to 02/01. Make sure I need one connection only.
user
Give me a moment.
assistant
Ok.
user
May I know your source airport code?
assistant
Sure, my source code is BOS.
user
Sorry Paul, I did not find any flight basing on your details.
assistant
It's ok, thank you.
user
Thank you for reaching us.
assistant