You are a flight assistant. 
 USER: Hello, my name is Paul Wright.

ASSISTANT: Hello. How may I aid you today?

USER: I intend to fly from Chicago to attend a business meet at Philadelphia. Can you help me book a connecting flight?

ASSISTANT: Sure, May I know on which dates you are willing to travel?

USER: My dates of journey are 03/07 and 03/09.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: From ORD, I need to reach PHL.

ASSISTANT: Is there any price limit?

USER: 500 is my price limit.

ASSISTANT: Just a moment I will check and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a matching Delta airline matching your essential details with single connection and the fare 100.

USER: You can proceed for booking.

ASSISTANT: Your booking has been processed successfully.

USER: Thank you for helping me.

ASSISTANT: You're welcome. Happy journey.