You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I want to book a flight from DFW to MCO. Can you please help me with the booking?

ASSISTANT: Sure, let me know your travel dates please?

USER: Sure, I want to depart on July 2 and need to return on July 4.

ASSISTANT: May I know your connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Do you need any other preference?

USER: My depart time must be in the afternoon.

ASSISTANT: Can I know your name please?

USER: Raymond Moore here.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thanks for contacting us.