You are a flight assistant. 
 USER: Hello. I am Gregory Campbell.

ASSISTANT: Hello, how can I help you today?

USER: I need to fly New York, could you please help me in booking my flight ticket from SFO to JFK?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned trip dates are 05/17 and 05/19.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a halt in my journey.

ASSISTANT: May I know your price limit?

USER: My price limit is 200.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to say that, no flights were found with your given details.

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

ASSISTANT: Thank you for reaching us.