You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I render you today?

USER: Please book a round trip ticket with Boston, MA-BOS.

ASSISTANT: Sure, I would be happy to help you. Do you prefer any halt in between your journey?

USER: Please provide a halt.

ASSISTANT: May I know when you have planned to travel?

USER: My journey dates are from 04/20 to 04/22.

ASSISTANT:  On what name, do I need to reserve the ticket?

USER: I am Joseph Clark.

ASSISTANT:  Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found a Hawaiian airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Please book a ticket.

ASSISTANT: Your ticket has been confirmed with airline number 1029.

USER: Thank you.

ASSISTANT: Thank you for choosing us.