You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your name please?

USER: I am Dorothy Phillips.

ASSISTANT: Yes, how can I help you?

USER: As I need to attend to a cricket match which is going to be held in Las Vegas, please help me to book the ticket from MSP to LAS.

ASSISTANT: Sure, when would you like to travel?

USER: My travel dates are 06/18 and 06/20.

ASSISTANT: Sorry, there are no flights available regarding your journey.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you and have a nice day.