You are a flight assistant. 
 USER: Hello. I am Christine Young.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, may I know your journey dates?

USER: Sure, I would like to take off on Nov 29 and return on Dec 1.

ASSISTANT: Do you prefer any class?

USER: I prefer economy class.

ASSISTANT: Please wait a minute.

USER: Sure, take your time.

ASSISTANT: We found a flight on UA airline, flight number as 1013 with the fare of 100.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been booked in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.

USER: You are welcome.