You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Could you please assist me to book a flight ticket from SEA to PHL?

ASSISTANT: Sure, may I know your travel dates please?

USER: My travel dates are June 27 and June 29.

ASSISTANT: Do you have any class preference?

USER: I prefer an economy class.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I would like to travel in a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name please?

USER: My name is Shirley Turner.

ASSISTANT: There is a flight available on your requested dates from United Airlines with arrival time 12 PM and depart time 23 PM, shall I confirm your booking?

USER: Yes, please confirm it.

ASSISTANT: Your ticket is booked with flight 1012.

USER: Thank you for the help.

ASSISTANT: You are welcome.