You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend music concert at SFO, can you please help me with booking a flight ticket from BOS?

ASSISTANT: May I know your journey dates?

USER: I would like to take off on Feb 18 and return on Feb 20.

ASSISTANT: Is there any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any other requirements?

USER: I prefer normal cost airline.

ASSISTANT: May I know your name?

USER: My name is Sarah Wright.

ASSISTANT: Delta Airlines providing connecting flight in the economy class with fare 200, shall I proceed for booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been confirmed with flight number 1005.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for choosing us.