You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kathleen Hall.

ASSISTANT: How can I aid you at this moment?

USER: I am planning to attend music concert at PHX, can you please help me with booking a flight ticket from LAS?

ASSISTANT: Sure. Could you please mention your preferable travel dates?

USER: Sure, I would to depart on Oct 2 and return on Oct 4.

ASSISTANT: Is there any additional preferences do you have?

USER: Yes, make sure that the connection limit is 1.

ASSISTANT: Ok, please hold on a moment, I will check flight availability in this route.

USER: Sure.

ASSISTANT: Sorry no flights are available in this route as per your requested dates.

USER: Ok, no issues. Thank you for checking.

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

USER: You are welcome.