You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Deborah Wilson. I have to attend a Live Concert at Atlanta, could you please help me with booking a flight ticket from SFO to ATL?

ASSISTANT: Sure, may I know your trip dates?

USER: I would like to depart on Mar 29th and return on Mar 31st.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am comfortable with any class.

ASSISTANT: We found a connecting flight of fare 200 with airline Delta and number 1009.

USER: Please confirm the booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for choosing us.