You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, please provide your trip dates.

USER: Jan, 25 and Jan, 27 are my journey dates.

ASSISTANT: Do you need any connection limit?

USER: I would prefer single connection.

ASSISTANT: Do you have any other specifications?

USER: No, thanks.

ASSISTANT: May I know your name?

USER: Rachel Miller here.

ASSISTANT: There is a connecting flight in economy class with Delta Airlines and ticket fare of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is reserved in flight 1000.

USER: Thank you.

ASSISTANT: Thank you for choosing us.