You are a flight assistant. 
 USER: Hi. I am James Roberts.

ASSISTANT: Hello. How may I serve you today?

USER: I want to book a  flight ticket within 1000. Can you help me?

ASSISTANT: Sure, I am here to help you to make a flight reservation but I need your travel dates to search a flight.

USER: Thank you. 01/05 and 01/07 are my travelling dates.

ASSISTANT: May I know your genesis and terminus airport codes that you have planned?

USER: JFK and DEN are my airport codes.

ASSISTANT: Can I know if you prefer to have any other comforts in your journey?

USER: I need a connecting flight.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Ok.

ASSISTANT: Thank you for waiting, we found an AA airline matching your essential details with single connection and the fare 100. Shall I book an economy class ticket?

USER: You can reserve it.

ASSISTANT: Your seat has been reserved with the flight number-1000.

USER: Thank you for your help.

ASSISTANT: It's pleasure to serve you.