You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Karen Adams. I want to book a ticket from IAD to DTW, can you help me in booking a ticket?

ASSISTANT: Sure, please let me know your travel dates.

USER: My travel dates are from 04/20 to 04/22.

ASSISTANT: We found a connecting flight with price 100, flight number is 1004. Shall I proceed for booking?

USER: Yes, please go ahead.

ASSISTANT: Your ticket has been confirmed with Hawaiian airlines.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us to serve you.