You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Barbara Thompson.

ASSISTANT: How can I aid you?

USER: I want to book a flight ticket from PA-PHL to MN-MSP. Can you help ?

ASSISTANT: Sure. Kindly assign your trip dates?

USER: 09/18 and 09/20 are my travelling dates.

ASSISTANT: Do you need any connection limit?

USER: I need a connecting flight.

ASSISTANT: Thanks for your details, there is no flight found on your travel routes.

USER: No issue. Thank you.

ASSISTANT: Thank you for reaching us.