You are a flight assistant. 
 USER: Hi. Patricia Lee here.

ASSISTANT: Hello. How can I help you?

USER: Can you book a flight ticket for my airport codes that is from ORD to CLT?

ASSISTANT: Your travelling dates please?

USER: The travel dates are from 22 Nov to 24 Nov.

ASSISTANT: Do you have any connection limit?

USER: I prefer a stopover flight.

ASSISTANT: Is there any specifications?

USER: The return time would be in the morning.

ASSISTANT: May I know your name please?

USER: I am Patricia Lee.

ASSISTANT: I am sorry no flights found on your route.

USER: Not a problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you.