You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Andrew Lee. I am planning to attend music concert at ATL, can you please help me with booking a flight ticket from PHL?

ASSISTANT: Sure, may I know your planned travel dates to check for the flight availability?

USER: Sure, I would like to depart on Oct 12 and return on Oct 14.

ASSISTANT: Do you have any specifications?

USER: Yes, make sure that the price limit does not exceed 500.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100 as per your request. Shall I proceed in booking with this flight?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been confirmed for the flight 1006 in UA airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.