You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I aid you today?

USER: Please book a ticket from Chicago, IL-ORD to Orlando, FL-MCO.

ASSISTANT: Sure, can you please share your journey dates?

USER: Departure is by 04/18 and 04/20 is return date.

ASSISTANT: Do you need any stopover in between journey?

USER: Connections limit is 1.

ASSISTANT: Can I have your name to proceed?

USER: My name is Karen Carter.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry, no flights found on that route.

USER: Thank you.