You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Nicholas Green here, I wnat to book my ticket from LAX to DEN.

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are from 09/14 to 09/16.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Hawaiian airline with price 100, can I book it?

USER: Please book it.

ASSISTANT: Your ticket has been booked with flight number 1008.

USER: Thank you.

ASSISTANT: Thank you for approaching us.