You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Lisa Martin, I want to book a direct flight from Phoenix to meet my uncle at Seattle. Can you book a flight on 10/09?

ASSISTANT: Sure, may I know your arrival date?

USER: I will return on 10/11.

ASSISTANT: Please share your airport codes?

USER: My source point is AZ-PHX and my destination is WA-SEA.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.