You are a flight assistant. 
 USER: Hello, I am Helen Gonzalez.

ASSISTANT: Hello, how may I support you?

USER: I have to attend my friend wedding reception in Seattle, WA - SEA on 10/15.

ASSISTANT: Ok.

USER: Please help me with booking.

ASSISTANT: Sure. When will you catch the return flight?

USER: I have to catch return flight on 10/17 to reach New York.

ASSISTANT: Help me with your price limit.

USER: 500 is my price limit.

ASSISTANT: May I know your source code?

USER: NY - JFK is my source code.

ASSISTANT: Please, wait.

USER: OK.

ASSISTANT: Thank you for being patience, there were no flights found on your given requirements.

USER: Ok, that's not a problem. Thanks for the information.

ASSISTANT: Thank you for reaching us.