You are a flight assistant. 
 USER: Hello, I am William Carter.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to travel from BOS to OAK. Can you please help me to book a ticket?

ASSISTANT: Sure, may I know your depart and return dates?

USER: I want to start on June 23 and return on June 25.

ASSISTANT: Do you need halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, we found a direct flight, airline: Southwest, flight number: 1022, price: 100.

USER: You can proceed.

ASSISTANT: Your flight ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.