You are a flight assistant. 
 USER: Hello, I am Janet Garcia.

ASSISTANT: Hello, how can I aid you today?

USER: I need to book a plane ticket with in price 500. Can you help me?

ASSISTANT: Sure, I am here to help you. Could you please help me with your travel dates?

USER: I would start on 11/18 and return on 11/20.

ASSISTANT: Can I know your airport codes?

USER: My origin is LAS and destination is PHX.

ASSISTANT: Please hold on.

USER: Ok.

ASSISTANT: There is a flight with couple of connections which matches your travelling dates. Shall I proceed with booking?

USER: No, don't proceed. I need a flight with single connection only.

ASSISTANT: Sure, thank you for your information.

USER: Thanks for assisting me.