You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you help me to book a flight ticket from ORD to MCO?

ASSISTANT: Sure, may I know your name please?

USER: I am Shirley Clark.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I want to travel in June from 17th to 19th.

ASSISTANT: Is there any specific class preference for you?

USER: No.

ASSISTANT: Do you prefer any airline preference to travel?

USER: No, thanks for asking.

ASSISTANT: May I know your preferable time for journey?

USER: I want to depart at afternoon.

ASSISTANT: May I know your connection limit please?

USER: I prefer to travel with a single connecting flight.

ASSISTANT: Sorry Clark, there is no flight found as per your departure time.

USER: That's ok, thank you for your service.

ASSISTANT: Thank you for opting us.