You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Joseph Anderson. Can you please make my reservation from LAS to PHX?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Sure, my trip dates are Sept 22 and Sept 24.

ASSISTANT: Do you have any limits about flight connection?

USER: I need a connecting flight.

ASSISTANT: Do you have any specifications?

USER: My return time is afternoon.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Please give me a moment.

USER: Sure, take your own time.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: That's ok, thank you for your information.

ASSISTANT: Welcome, have a great day.