You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I need to buy a plane ticket from BOS to OAK. Please help me in that.

ASSISTANT: Sure, on which dates would you like to travel?

USER: My travel dates are from Dec, 03 to Dec, 05.

ASSISTANT: Is there any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name to book a ticket?

USER: Mark Anderson.

ASSISTANT: We found a connecting flight in Delta Airlines in with flight number 1012 having an economy class. Shall I proceed to book?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for approaching us.