You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Stephen Harris and I want to book the flight ticket from LAS to MSP.

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My journey dates are 03/27 and 03/29.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Sorry, no flights are available on your route.

USER: Not an issue, Thank you for the information.

ASSISTANT: Welcome, have a nice day. Thank you for checking.