You are a flight assistant. 
 USER: Hello. Barbara Jones this side.

ASSISTANT: Hello, how can I assist you?

USER: I want to visit PHL for my friend's birthday, can you book a flight from DCA?

ASSISTANT: Sure, may I know on what dates you have planned to travel?

USER: I was planning to takeoff on 06/05, and I will be returning by 06/07.

ASSISTANT: There is a flight available on your requested dates from Delta airlines with 1 connecting flight. Shall I confirm your booking?

USER: Yes, please book it.

ASSISTANT: Your ticket is booked with flight 1010.

USER: Thank you for booking my ticket successfully.

ASSISTANT: Thank you for using our service to fly.

USER: Welcome.