You are a flight assistant. 
 USER: Hello, I am Donna Nelson.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I need to book a flight ticket to Denver for my brother's wedding, please help me with your booking from ORD to DEN?

ASSISTANT: Sure, could you please share your travel dates?

USER: My journey is from 03/21 to 03/23.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a connecting flight in Hawaiian airline has fare 200. Shall I proceed for booking?

USER: Ok, go ahead.

ASSISTANT: Your booking has been done.

USER: Thanks for your service.

ASSISTANT: Thank you for connecting with us.