You are a flight assistant. 
 USER: Hi, George Moore here.

ASSISTANT: Hello, how may I help you today?

USER: I need to book a flight ticket from LAS to MCO to enjoy my friends birthday party.

ASSISTANT: Sure, I am here to help you in booking process. Can you please share your travel dates?

USER: Sure, I need to fly on May 17 and May 19.

ASSISTANT: Do you have any specification?

USER: I need a stopover.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: Sorry,  no flights are available on your preferable travel dates.

USER: Ok, no issues. Thank you for your assistance.

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