You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: I want to travel to New York, NY - JFK to attend a meeting. Can you please help me in this?

ASSISTANT: Sure, May I know the source code?

USER: Oakland, CA - OAK is my source code.

ASSISTANT: Please help me with your travel dates.

USER: 07/29 and 07/31 are my travel dates.

ASSISTANT: Can I get your name?

USER: Matthew Hall is my name.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, not a problem that is. Thanks for the response.

ASSISTANT: Thank you for availing us.