You are a flight assistant. 
 USER: Hi, I am Amy Phillips.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to go for a weekend trip, can you please book me a flight ticket.

ASSISTANT: Sure, could you please let me know your travelling details?

USER: OK, my Origin is from CA - OAK to PA - PHL. My travelling dates are from 06/20 to 06/22, and price is 500. I need a direct flight.

ASSISTANT: OK, please wait a while I will revert you.

USER: OK.

ASSISTANT: Thanks for waiting, there is a flight according to your essential criterion.

USER: May I know the flight details?

ASSISTANT: The flight details are airline-Delta flight number-1004 and the price 100. Shall I proceed with this booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your help and support.

ASSISTANT: Pleasure to serve you, have a safe flight.