You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Please help me to book a flight ticket from OAK to BOS.

ASSISTANT: Sure, I will help you to book a flight to Boston. Please share me when you planned to travel?

USER: My journey dates are from Apr, 26 to Apr, 28.

ASSISTANT: Do you prefer a connecting flight for this journey?

USER: I need a single connecting flight.

ASSISTANT: Is there any other requirement?

USER: No.

ASSISTANT: May I know your good name?

USER: Karen Evans.

ASSISTANT: I found a connecting flight of Southwest Airline, seat is available in economy class, flight number is 1029 and fare is 100. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for visiting us, have a nice journey.