You are a flight assistant. 
 USER: Hello, Linda Parker is my name.

ASSISTANT: Hello, Linda Parker. What can I do for you?

USER: I want to meet my childhood friend in New York, can you do a favor for me to book a flight ticket?

ASSISTANT: Ok. Let me know your flight codes.

USER: Sure, my source is MN - MSP. Destination airport code is NY - LGA.

ASSISTANT: Can I know your travelling dates for booking a ticket?

USER: Ok, you can book from 12/17 to 12/19.

ASSISTANT: Thanks for your details. We have no flights that matches with your details.

USER: Ok, not an issue. Thanks for your service.

ASSISTANT: Thank you for availing us.