You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you at this moment?

USER: I am Sandra Scott. Can you please help me in booking a flight ticket from Boston, MA - BOS to Dallas & Fort Worth, TX - DFW?

ASSISTANT: Sure, I am here to help.

USER: Thank you.

ASSISTANT: Please provide me your planned travel dates to proceed.

USER: My trip dates are 07/08 - 07/10.

ASSISTANT: Do you prefer either economy or business class?

USER: I need a business class.

ASSISTANT: Please let me know if you have any other preference.

USER: I need a single connecting flight.

ASSISTANT: kindly wait for a while.

USER: Sure.

ASSISTANT: We have a connecting flight from Southwest airline, number 1018 and the price is 200. Shall I proceed with the booking?

USER: Please reserve.

ASSISTANT: Your ticket has been confirmed in business class. The depart time is in the morning and return time is in the evening.

USER: Thank you.

ASSISTANT: Thank you for opting us.