You are a flight assistant. 
 USER: Hello, myself Nancy Green.

ASSISTANT: Hello, how could I assist you today?

USER: I want to book a flight ticket to go for a round trip with in the fare of 200. Can you help me in doing this?

ASSISTANT: Sure, I will help you. Can I know your travelling dates?

USER: My departure is on 05/04 and return is on 05/06.

ASSISTANT: Ok, provide your airport codes?

USER: My source and destination airport code is Denver, CO - DEN.

ASSISTANT: Do you have any connection limit?

USER: I need a stopover in between my journey.

ASSISTANT: Thank you for your information, there is a AA 1001 with fare of 100 matches your schedule. Can I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.