You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Can you please help me to find a flight from OAK to PHX for my journey?

ASSISTANT: Sure, do you need any lay by in between the journey?

USER: I need 1 connection flight.

ASSISTANT: Ok, on which dates would you like to travel?

USER: My journey dates are from Oct 15 to Oct 17.

ASSISTANT: Ok, do you prefer business or economy class?

USER: Any class is ok for me.

ASSISTANT: May I know your good name please?

USER: Myself Jacob Thompson.

ASSISTANT: There are no flights found on your requested dates.

USER: Oh! No problem, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.