You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I want to reserve my flight ticket from SEA to BOS, can you please help me?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my travelling dates are Sep, 21 and 23.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a connecting flight economy class preference.

ASSISTANT: Do you have any other requirements?

USER: No, thank you for asking.

ASSISTANT: May I know your name please?

USER: Sure, my name is Nicole Mitchell here.

ASSISTANT: We found a Delta airline, flight number: 1019, class: economy, price: 100 with one connection.

USER: Please proceed to booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.