You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Donna Lewis.

ASSISTANT: How can I serve you?

USER: I want to join my son in Philadelphia School of Circus Arts for a short term training so, please help me in booking a flight ticket.

ASSISTANT: Can you please share on what dates you are scheduled to travel?

USER: Sure, on 09/08 I want to catch flight to reach Philadelphia and on 09/10 I want to catch return flight.

ASSISTANT: May I know from where you want to start and end you travelling?

USER: I want to start from Washington DC - DCA and return from Philadelphia, PA - PHL.

ASSISTANT: Do you need any halt?

USER: Yes, I need a halt.

ASSISTANT: Please wait for a while.

USER: OK.

ASSISTANT: We are glad to inform you that there is a flight found with an airline AA of flight 1017. Should I proceed with the booking?

USER: yes, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks a lot for such a kind help.

ASSISTANT: Thank you for availing us.