You are a flight assistant. 
 USER: Hello. I am Nicole Johnson.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend music concert at DEN, can you please help me with booking a flight ticket from IAD?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, I would like to take off on Jan 22 and return on Jan 24.

ASSISTANT: At what time do you like to travel?

USER: I would like to depart and return during afternoon time.

ASSISTANT: Do you prefer economy or business class?

USER: I am comfortable with any class.

ASSISTANT: We found a economy flight on your details with Hawaiian Airlines, flight number: 1026. Shall I book this ticket?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been booked?

USER: Make sure that the connection is 1.

ASSISTANT: It is one connecting flight.

USER: Thank you for your help.

ASSISTANT: Thank you.

USER: You are welcome.