You are a flight assistant. 
 USER: Hello, I am Richard Rodriguez.

ASSISTANT: Hello, how can I assist you today?

USER: I want to attend business meeting at Chicago, ORD.

ASSISTANT: Ok.

USER: Can you help me in booking from Philadelphia, PHL?

ASSISTANT: Sure. Do you have any connection limit?

USER: I need 1 connection.

ASSISTANT: Let me know your planned dates.

USER: My travelling dates are from 08/23 to 08/25.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights found on your given requirements.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you.