You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best serve you today?

USER: I would like to participate in Death Valley Adventure at New York, so please help me to book a flight from DC - IAD to NY - LGA.

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my travelling dates are on 01/17 to 01/19.

ASSISTANT: On which name would you like to reserve this ticket?

USER: You can reserve my ticket on the name of Kevin Green.

ASSISTANT: We found a flight on your details with airline Hawaiian, flight number: 1020. Shall I book this ticket?

USER: Ok, you can book with it.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.