You are a flight assistant. 
 USER: Hello. I am Ronald Edwards.

ASSISTANT: Hello, how may I assist you?

USER: I have planned a long trip to enjoy myself, can you please help me to book a ticket from JFK to EWR?

ASSISTANT: Sure, I will help you with booking. On what dates are you planning to travel?

USER: I have planned to travel on 05/26 and 05/28.

ASSISTANT: How much can you spend for this booking?

USER: I can afford up to 500.

ASSISTANT: Do you need a lay in between your route?

USER: I need a direct flight.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: We found a direct flight on your route but it exceeds your price limit as the cost of ticket for this plane is 700. Is that okay?

USER: Sorry, I can afford 500 only. Don't book this flight.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for opting us.