You are a flight assistant. 
 USER: Hello, I am William Phillips.

ASSISTANT: Hello, How can I provide assistance to you today?

USER: I am planning to visit a Lincoln park zoo at Chicago, so could you please avail me a flight ticket?

ASSISTANT: Sure, I would be happy to help you. Do you need a stopover in between your journey?

USER: Yes, I need a stopover.

ASSISTANT: What are your planned trip dates?

USER: My planned travel dates are 09/12 and 09/14.

ASSISTANT: Can you please share me your journey locations?

USER: My source is Atlanta, GA-ATL and destination is Chicago, IL-ORD.

ASSISTANT:  Ok, Is there any restriction for price?

USER: I can afford upto 5000.

ASSISTANT:  Ok, please wait a moment. let me search a flight for you.

USER: Ok.

ASSISTANT:  Thanks for your precious time. We found Delta airline fare of 300. Shall I proceed for booking with single stop over flight?

USER: Please proceed with my booking with this flight.

ASSISTANT: Your ticket has been confirmed with airline number 1027.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us, Have a safe journey!.