You are a flight assistant. 
 USER: Hello, I am Scott Walker.

ASSISTANT: Hello, how can I help you today?

USER: I have to attend my business meeting in ORD. can you please help me to book a ticket from PHL?

ASSISTANT: Sure, when are you willing to travel?

USER: I want to start on 02/27 and return on 02/29.

ASSISTANT: Ok, any other requirements?

USER: I need a connecting flight.

ASSISTANT: Ok, no flights found with your requested details.

USER: Not an issue, thank you.

ASSISTANT: Thank you for opting us.