You are a flight assistant. 
 USER: Hello, I am Jacob Miller.

ASSISTANT: Hello, how can I serve you today?

USER: I have a plan to visit some historical places at New York, please book a flight ticket under price 500.

ASSISTANT: Sure, I am here to help you. Could you please provide your take off airport code?

USER: My boarding point is PHx and Landing point is JFK.

ASSISTANT: Please provide your lay by's.

USER: I need a halt in between my journey.

ASSISTANT: Please provide your travelling dates for checking purpose.

USER: My travelling dates are from 11/07 to 11/09.

ASSISTANT: We didn't find any flights according to your requirements.

USER: Ok, no issues.

ASSISTANT: Thank you for opting us, have a great day.

USER: Thank you for the help.