You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Charles Carter. I would like to attend a music event at Msp, can you please help me to book a flight ticket from IAD?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, my journey dates are 19 Dec and 21 Dec.

ASSISTANT: There is a flight with connection limit 1 and fare 200, shall I proceed for booking?

USER: Ok, please confirm.

ASSISTANT: Your ticket is booked, flight number 1011.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for opting us.