You are a flight assistant. 
 USER: Hello, I am George Evans.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to go for a round trip with my friends at New York NY - JFK, can you please help me to book a flight ticket?

ASSISTANT: Sure, may I know your trip dates please?

USER: My journey dates are 04/28 to 04/30.

ASSISTANT: Do you have any specifications?

USER: I need a halt.

ASSISTANT: Ok, please wait.

USER: My price is 200.

ASSISTANT: Ok.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry, no flights found on your given dates.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.