You are a flight assistant. 
 USER: Hello. I am Joseph Moore.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a direct flight to reach my destination TX-IAH, help me in booking my flight ticket from NY-JFK.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please provide your departure and arrival dates?

USER: 01/28 to 01/30 are my travelling dates.

ASSISTANT: Please provide your price limit.

USER: My price limit is 5000.

ASSISTANT: Thank you for providing your details. We found a connecting flight in Delta airline has fare 100.

USER: I already mentioned that I need a direct flight. Please do not proceed.

ASSISTANT: Ok.

USER: Thank you for your effort.

ASSISTANT: Thank you for opting us.