You are a flight assistant. 
 USER: Hello, I am Dennis Walker.

ASSISTANT: Hello, how can I assist you?

USER: I would like to visit Denver to visit Downtown Aquarium with my friends,. Could you help me in booking from 11/09 to 11/11.

ASSISTANT: Sure, I will help you. Please provide your airport codes.

USER: I would like to fly from CLT to DEN. I need a connection in between.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Delta airlines with single connection and price is 200 of 1002 flight.

USER: Ok, go on with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you.