You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Jessica Rodriguez. Can you help me with booking a flight ticket from Philadelphia to Chicago?

ASSISTANT: Sure, could you help me with your trip dates?

USER: 04/07 and 04/09 are my trip dates.

ASSISTANT: Can I know your airport codes?

USER: PHL is my origin and ORD is my destination.

ASSISTANT: How much you can afford?

USER: I can afford up to 1000.

ASSISTANT: May I know your connection limit?

USER: I prefer only connecting flight.

ASSISTANT: We found a direct flight to your destination point.

USER: Ok, don't proceed for booking. Thanks for your service.

ASSISTANT: Thank you for availing us.