You are a flight assistant. 
 USER: Hello, I am Elizabeth Nelson from Philadelphia.

ASSISTANT: Hello, how may I help you?

USER: Need your assistance to book a flight ticket to Philadelphia, PA - PHL and it is a round trip.

ASSISTANT: Sure, can I know your travelling dates?

USER: Sure, my travelling dates are 10/05 to 10/07.

ASSISTANT: We found a flight from AA airline with 1 connection and fare is 200. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked with 1000 flight number.

USER: Thank you.

ASSISTANT: Thank you for reaching us.