You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donna Johnson.

ASSISTANT: How may I aid you today?

USER: I want to book a ticket from MSP to LAS to meet my uncle, can you help me in booking?

ASSISTANT: Sure, I am oblige to help you. Can you please provide your planned dates of travelling?

USER: I am departing on 08/12 and return on 08/14.

ASSISTANT: Ok, please wait a moment to check the flights.

USER: Sure.

ASSISTANT: Sorry to inform you that, there are no flights moving to your region.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for approaching us, have a great day.