You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jonathan Robinson here.

ASSISTANT: How may I assist you?

USER: I would like to meet my professor who stays in Philadelphia - PHL, can you check for the flight from PHX?

ASSISTANT: Sure, I will help you. Can you please share your planned travel dates?

USER: My journey will began on 05/26 and I will be returning back on 05/28.

ASSISTANT: Please hold on a moment.

USER: I need 1 stopover between my journey.

ASSISTANT: Jonathan, no flights has been found on your requirement.

USER: That's fine, thank you for checking anyways.

ASSISTANT: Thank you for approaching us.

USER: You are most welcome.