You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Adams.

ASSISTANT: How can I assist you, Karen?

USER: I need to book a flight ticket with single connection, Can you help me for booking a fight ticket please?

ASSISTANT: Sure, may I know your source and destination airport codes please?

USER: Leaving point is CO-DEN to FL-MCO.

ASSISTANT: On which dates are you planning your journey?

USER: I would like to travel on 04/20 to 04/22.

ASSISTANT: Delta airlines is ready to serve you with flight-1015 and the ticket fare is 100 with 2 connections. Is it ok for you?

USER: No, don't proceed for booking. Thanks for your information.

ASSISTANT: Fine, thank you for choosing us.