You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in doing a reservation from BOS to DEN?

ASSISTANT: Sure, may I know your name?

USER: I am Timothy Campbell.

ASSISTANT: Can I know your travelling dates?

USER: My trip dates are Oct 18 to 20.

ASSISTANT: Do you need a single connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: There is a flight of Hawaiian airline, flight number 1009 with the fare of 100. Can I proceed?

USER: Ok, proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.