You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Sharon Martin here. I need to book a flight ticket from MSP to LAS. Can you help me in booking a flight ticket?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Ok, my travel dates are from May 19 to May 21.

ASSISTANT: Do you have any requirements?

USER: Yes, I need a connecting flight in my journey.

ASSISTANT: Sorry to say, no flight is available for you as per your requests.

USER: Not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.