You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Please book a flight ticket from CLT to DEN.

ASSISTANT: Sure, let me know your travelling dates.

USER: Dec, 11 and Dec, 13 are my preferable travel dates.

ASSISTANT: May I know your connection limit?

USER: I need single connection.

ASSISTANT: Do you have any other requirements?

USER: No, thanks.

ASSISTANT: May I know your name please?

USER: My name is Margaret Jackson.

ASSISTANT: We found a Frontier airline, flight number: 1002, price: 100 with one connection.

USER: Please go ahead.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you, have a good day.