You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you today?

USER: I am Paul Adams. I need to book a flight ticket from Minneapolis & St Paul to visit the High roller in Las Vegas. Can you please help me?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 11/01 and 11/03.

ASSISTANT: Please share your airport codes?

USER: My airport codes are from MN-MSP to NV-LAS.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, not an issue.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your quality service.