You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am Steven Edwards from Las Vegas.

ASSISTANT: Yes, Steven.

USER: I need to book a flight ticket from LAS to JFK. Can you make  a reservation for me?

ASSISTANT: Sure, I'm mirthful to help you in that. Can you please let me know your planned travel dates?

USER: Thank you for accepting my request, my itinerary dates are on 06/12 and return on 06/14.

ASSISTANT: Ok, please wait for a while.

USER: Ok, make sure that the connection limit 1.

ASSISTANT: I regret to inform you that there are no flights available for you on those dates.

USER: Ok, no problem. Thank you for your help.

ASSISTANT: Thank you for choosing us.