You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Jonathan Baker. Will you please find a flight ticket in the route SFO to PHX?

ASSISTANT: Sure, I will help you out.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: The preferable travelling dates are 04/04 and 04/06.

ASSISTANT: Ok, please hold on for a while.

USER: Sure, I am looking for the flight with connection limit 1. So, please check for that.

ASSISTANT: Sorry, there are no flights found.

USER: It's ok, thank you for spending your time in searching the flights.

ASSISTANT: Thank you for choosing us.