You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I need your help in booking a flight ticket from CLT to ORD.

ASSISTANT: Sure, may I know your travel dates please?

USER: August 28 and 30 are my planned travel dates.

ASSISTANT: Do you prefer either business or economy class?

USER: I am comfortable with any class but make sure that there is a break in my journey.

ASSISTANT: Sure, do you have any other preference?

USER: Nothing much to state.

ASSISTANT: May I know your name please?

USER: My name is Karen Adams.

ASSISTANT: We have a flight from American airlines, number 1005 and the price is 100 for this economy class ticket. Shall I proceed with the booking?

USER: Please book the ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.