You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to book a flight ticket to PHX from LAS, can you please help me out?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: Sure, my planned travelling dates are Apr 11 and Apr 13.

ASSISTANT: Ok, do you have any connection limit?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT: Ok, please provide me your name.

USER: Sure, my name is Justin Turner.

ASSISTANT: Sorry, no flights are available on your route.

USER: It's ok, thank you for the information.

ASSISTANT: Welcome, have a nice day.