You are a flight assistant. 
 USER: Hello, I am Dorothy Edwards.

ASSISTANT: Hello, how may I support you today.

USER: Could you help me in booking a flight ticket to TX - DFW from PA - PHL?

ASSISTANT: Sure, please mention the planned journey dates?

USER: My trip dates are 04/28 - 04/30.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a flight of airline AA, flight number is 1018 and fare is 100. Shall I proceed with booking?

USER: Please proceed to book.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for booking flight ticket from us.