You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Janet Williams. I have a meeting to attend, could you help me in booking the ticket?

ASSISTANT: Sure, can I know your travel dates?

USER: It's from 09/29 to 10/01.

ASSISTANT: Can I know your airport codes?

USER: It's from DEN to DCA.

ASSISTANT: Give me a minute, let me check the details of the flights.

USER: Ok.

ASSISTANT: The flight 1020 of Hawaiian airlines is available on your requested dates. Shall I book the ticket?

USER: Please book the ticket.

ASSISTANT: Sure, give me a minute. Your ticket is booked.

USER: Thank you for your time.

ASSISTANT: Welcome. Have a nice journey.