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

ASSISTANT: Hello. How may I help you today?

USER: I would like to attend a seminar on social issues in pioneer plaza at Dallas & Fort Worth, TX-DFW.

ASSISTANT: Can you please share me your departure and return date?

USER: I want to depart on 10/09 and arrive on 10/11.

ASSISTANT: Help me with your source code please?

USER: I want to board from Philadelphia, PA-PHL.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: We are glad to inform you that there is a flight available with Frontier of flight 1004 and price is 200. Shall I proceed with the booking?

USER: You can proceed with booking.

ASSISTANT: Booking your ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.