You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Please help me out in booking the ticket from MSP to PHL.

ASSISTANT: May I know your travel dates?

USER: My trip dates will be Jan 29 to Jan 31.

ASSISTANT: Do you have any connecting preferences?

USER: I need a connecting flight.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name please?

USER: Patrick Lewis is my name.

ASSISTANT: Sorry, no flights found at the moment as per your desired locations.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us.