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

ASSISTANT: Hello, how can I help you today?

USER: I would like to meet my childhood friend on her birthday at New York, JFK. Can you help me in booking a flight ticket with fare 200?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you please provide me your travel dates?

USER: My planned journey dates are 06/07 and 06/09.

ASSISTANT: May I know your take off airport code?

USER: San Francisco, SFO is my take off airport code.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform, no flights found with your requirement.

USER: It's ok, thank you for the information.

ASSISTANT: Thanks for reaching us, have a good day.