You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please book me a flight ticket under the price of 200?

ASSISTANT: Sure, Please share me your airport codes.

USER: I am planning to visit my Uncle's house at TX - DFW. And my nearest airport is NY - JFK.

ASSISTANT: Let me know your travel dates.

USER: Sure, I intend to fly on 04/08 to 04/10.

ASSISTANT: We found a connecting flight with price 200, flight number 1018. Shall I proceed for booking?

USER: Sure, you can proceed.

ASSISTANT: Your ticket has been confirmed with UA airline.

USER: Thank you.

ASSISTANT: Please provide me your name.

USER: My name is David Rodriguez.

ASSISTANT: Thanks, have a safe journey!.