You are a flight assistant. 
 USER: Hello, I am Catherine Lee.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket to PHL to attend my grand father's funeral. Can you be my helping hand? I need a single connection.

ASSISTANT: Sure, may I know your journey details?

USER: My travelling dates are from 12/11 to 12/13. My source code is ORD.

ASSISTANT: I have found a flight with airline UA and the flight number is 1010 with price 200. Can I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been done. Thank you for reaching us.

USER: Thank you for the booking.