You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I need you to book a flight ticket.

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

USER: June 25 and 27 are my planned travel dates.

ASSISTANT: Can you please share your airport codes?

USER: SEA and PHL are the airport codes.

ASSISTANT: Do you have any class preference?

USER: I prefer to fly in a economy class.

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

USER: I need a break in my journey.

ASSISTANT: Do you have any other specifications?

USER: Nothing much to state.

ASSISTANT: May I know your good name please?

USER: I am Jerry Garcia.

ASSISTANT: There is a flight available on your requested dates from American Airlines with arrival time 21 PM and depart time 5 AM, shall I confirm your booking?

USER: Yes, please confirm it.

ASSISTANT: Your ticket is booked with flight 1017.

USER: Thank you very much.

ASSISTANT: You are welcome.