You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Could you help me in booking a flight ticket from CLT to SEA?

ASSISTANT: Sure, May I know the travelling dates?

USER: I want to fly on Dec 14, return on Dec 16.

ASSISTANT: Do you have any connection limit?

USER: No, I want direct flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Cynthia Perez.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Not an issue, thank you.

ASSISTANT: Thank you for availing us.