Hi, my name is Lisa Nelson from Phoenix.
user
Hello. How can I assist you?
assistant
I need to book a direct flight to attend for my last exam at San Francisco, so please assist me in booking a plane to CA - SFO.
user
Could you provide me your source point?
assistant
My source airport code is AZ - PHX.
user
 When are you planning to travel?
assistant
I am planning to travel on 04/19 to 04/21.
user
Do you have any preference?
assistant
Yes, I can pay up to 500.
user
 We found a connecting flight Frontier with flight number 1002 and fare is 100.
assistant
Do not proceed as I need a direct flight.
user
Ok.
assistant
Thank you for your assistance.
user
 Thank you for availing us.
assistant