You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me with booking a flight ticket from PHL to ORD?

ASSISTANT: Sure, I am here to help you. Can you please share your trip dates?

USER: Trip dates are May 13 and 15.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Is there any specifications?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Elizabeth Garcia.

ASSISTANT: Sorry, there are no flights found on your travel dates.

USER: That's ok. Thank you.

ASSISTANT: Thank you for choosing us.