You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight from SEA to BOS, can you please help me in booking?

ASSISTANT: Sure, please share your journey dates?

USER: My journey dates are Apr 26 and Apr 28.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Is there any class preferences?

USER: No.

ASSISTANT: May I know your good name?

USER: Sure, my name is Mark Garcia.

ASSISTANT: We found a flight in Delta airlines, flight number is 1018 with single connection and price is 200 economy class. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.