You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Boston, will you help me in booking the flight ticket from LAS to BOS?

ASSISTANT: Sure, may I know your travelling dates?

USER: My preferable journey dates are Apr 27 and Apr 29.

ASSISTANT: Do you need a connecting flight?

USER: I need a flight with single connection.

ASSISTANT: Can I know your class preference?

USER: I don't have any other specifications.

ASSISTANT: May I know your name?

USER: Myself James Gonzalez.

ASSISTANT: We found a flight of Hawaiian airline, flight number 1023 with the fare of 200. Can I proceed?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Than you for helping me in booking the flight ticket.

ASSISTANT: Thank you for choosing us.