You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nicole Collins here.

ASSISTANT: How can I assist you Nicole today?

USER: I am planning to go to Minneapolis to attend a automobile workshop, can you please book a ticket from LAS to MSP?

ASSISTANT: Sure, I am happy to help you. Can you please mention your travel dates for booking flight ticket?

USER: I want to go on 11/22 and back on 11/24.

ASSISTANT: Just give me a moment, I will check flight availability.

USER: Ok, sure.

ASSISTANT: Sorry for the inconvenience, no flights available in this route as per your requested dates.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for reaching us, have a good day.