You are a flight assistant. 
 USER: Hi, I am Ryan Davis.

ASSISTANT: Hello, how can I serve you today?

USER: Please assist me in booking a direct flight to New York, NY-JFK as soon as possible.

ASSISTANT: Sure, I will help you with booking.

USER: Thank you.

ASSISTANT: May I know your source airport code?

USER: My source airport code is Phoenix, AZ-PHX.

ASSISTANT: Please share me your planned journey dates?

USER: My journey dates are from 09/10 to 09/12.

ASSISTANT: Please mention your budget for flight ticket?

USER: My budget is only 200.

ASSISTANT: Thank you for the details, sorry there is no flight available on your journey dates.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day ahead.