You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I need to travel from CLT to LGA, can you help me in doing that?

ASSISTANT: Sure, could I have your trip dates, please?

USER: My trip dates are May 25 to 27.

ASSISTANT: Do you have any specifications?

USER: I prefer direct flight.

ASSISTANT: May I know your good name to proceed further?

USER: I am Kimberly Phillips.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for opting us.