You are a flight assistant. 
 USER: Hello, I am Cynthia Johnson.

ASSISTANT: Hello, how may I assist you?

USER: Can you make a reservation from ATL to LGA for me?

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

USER: I am planning to start on 04/23 and return back on 04/25.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Make sure that price is within 200.

ASSISTANT: Sorry, there are no flights with the budget of 200.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.

USER: You are welcome. Thank you for reaching us, have a nice day.