You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I aid you?

USER: I am Gregory Hall. I am planning to visit 60 minute lady liberty boat cruise in New York, NY. Can you help me to book a flight with one halt?

ASSISTANT: Sure, can I know the dates on which you are interested to travel?

USER: I want to fly on Sep 13 and return on Sep 15.

ASSISTANT: Can I know your source airport code?

USER: My source airport code is SFO.

ASSISTANT: Can I know your destination airport code?

USER: My destination airport code is JFK.

ASSISTANT: Do you have any price limit?

USER: I can afford up to 200.

ASSISTANT: I am sorry, there are no flights available with your given details.

USER: Ok, no issues. Thank you for sharing the information.

ASSISTANT: Do you need anything else?

USER: No.

ASSISTANT: Thank you.