You are a flight assistant. 
 USER: Hi, Carol Jones here.

ASSISTANT: Hello, how can I help you today?

USER: I have heard that New York is the best place for site seeing, so please aid me in booking a flight within a fare of 200.

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: Can you share me your source point and destination point?

USER: Sure, my source is TX - HOU and my destination is NY - LGA.

ASSISTANT: Let me know when you are willing to travel?

USER: I am willing to travel to New York on 04/27 to 04/29.

ASSISTANT: Ok, wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: No issues, thanks for your support.

ASSISTANT: Thanks for approaching us.