You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Could you please help me to book a flight ticket from Orlando to attend a client meeting in Charlotte?

ASSISTANT: Sure, can I know your name please?

USER: I am Donald Gonzalez.

ASSISTANT: Can you share the travel dates please?

USER: I intend to start on May 20th and my return date will be on May 22nd.

ASSISTANT: Could you please provide the airport codes?

USER: My boarding and landing airport codes are MCO and CLT.

ASSISTANT: Can I know the connection limit please?

USER: I want to fly with the direct flight for this time.

ASSISTANT: Do you have any requirements?

USER: No, I don't have any other requirements.

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

USER: That's ok, I'll choose any alternative to reach my destination. Thank you for your information.

ASSISTANT: Thank you for approaching us.