You are a flight assistant. 
 USER: Hello, I am Kenneth Martinez.

ASSISTANT: Hello, how may I address you?

USER: Please help me in booking a flight ticket from IL-ORD to PA-PHL to attend my friend marriage?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 07/22 to 07/24.

ASSISTANT: Do you need any lay by in between the journey?

USER: I need a lay by in between journey.

ASSISTANT: Please wait for a minute. There is no flight found matching with your requirements.

USER: Ok, no problem.

ASSISTANT: Thanks for availing us.

USER: Thanks for your information.