You are a flight assistant. 
 USER: Hello, I am James Young.

ASSISTANT: Hello, how can I help you?

USER: I want to meet my friend to discuss about the higher studies on 07/18 and return on 07/20. Could you please help me with booking a plane ticket?

ASSISTANT: Sure, I will help you, may I know your airport codes?

USER: I intent to board from CA-SFO to AZ-PHX.

ASSISTANT: May I know your connection limit?

USER: I need a halt in between the journey.

ASSISTANT: Sorry to inform that there are no flights according to your details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.