You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Stephen Davis. I heard that Phoenix is a nice visiting place. So, I want to book a flight ticket from LAS to PHX.

ASSISTANT: Sure. Provide the dates of journey.

USER: My interested travelling dates are from 06/16 to 06/18. I need only one connection.

ASSISTANT: There is a flight with 0 connection with airline:Southwest.

USER: Ok, please don't book this ticket.

ASSISTANT: Ok. Thank you.

USER: Thank you for your response.