You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Kathleen Williams. I would like to book a ticket from PHX to JFK.

ASSISTANT: Ok, can you please tell me your travelling dates?

USER: Sure, I am planning to start on 11/12 and fly back on 11/14.

ASSISTANT: Sorry Williams, there is no flight available on your required dates and route.

USER: Ok, thank you for the information.

ASSISTANT: You are welcome.