You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: My name is David Clark. Can you book me a ticket from BOS to EWR?

ASSISTANT: Sure, can I know your preferable dates?

USER: Ok, here are my preferred travelling dates 09/04 and 09/06.

ASSISTANT: I found a flight 1002 of Hawaiian airlines matches with your preferences, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for the service.

ASSISTANT: Thank you, have a good day.