You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to attend a mechanical workshop, can you please book the ticket from JFK to LAS?

ASSISTANT: Sure, can you share me your trip dates?

USER: Sure, my planned departure and return travel dates are 23rd and 25th of May.

ASSISTANT: Do you have any specifications?

USER: I prefer single connected flight to travel.

ASSISTANT: May I know your good name?

USER: My name is Matthew Walker.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates. Thank you for reaching us.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Welcome.