You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me to book a direct flight?

ASSISTANT: Sure, I am here to help you with your concern. May I know your name to proceed further?

USER: My name is Alexander Davis.

ASSISTANT: Can you please share your airport codes?

USER: My preferred airport codes are MCO and ATL.

ASSISTANT: May I know your preferred dates of journey?

USER: My travelling dates are Feb 26 and 28.

ASSISTANT: Do you have any connection limit preference?

USER: I prefer direct flight.

ASSISTANT: Do you have any class preference?

USER: I prefer economy class.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Do you have any specific time concern for return and depart?

USER: No.

ASSISTANT: Could you help me with your name please?

USER: My name is Alexander Davis.

ASSISTANT: Thank you for sharing all the necessary details, Alexander Davis. Please wait a moment while I check with the availability of flights.

USER: Sure.

ASSISTANT: Thank you for waiting, Alexander Davis. As per the intent mentioned, sorry there are no flights available for the mentioned dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.