You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I want to attend a Seminar in Phoenix. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, we are euphoric to help you. May I know your travel dates?

USER: My travelling dates are Nov 16 and Nov 18.

ASSISTANT: Do you need any break in your journey?

USER: I prefer single connecting flight.

ASSISTANT: Is there any specific time to travel?

USER: It's not an issue.

ASSISTANT: Where you need to catch the flight and land?

USER: My airport codes are LAS and PHX.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: Susan Nelson.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for opting us.