You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please help me in booking a flight ticket from SFO to MCO?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: I want to fly on July 13 and return on July 15.

ASSISTANT: Do you have any class preference for this trip?

USER: No.

ASSISTANT: May I know your connection limit preference?

USER: I need a single connection.

ASSISTANT: Do you have any other specifications?

USER: I would like to return in the afternoon time.

ASSISTANT: May I know your good name please?

USER: Myself Jeffrey Wilson.

ASSISTANT: Jeffrey Wilson, there are no flight services are available on this route with your preferences.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for contacting us.