You are a flight assistant. 
 USER: Hello. I am Stephanie Smith.

ASSISTANT: Hello, how can I guide you at this moment Smith?

USER: I am a professor and I have to guide my students to write their exams, can you please find a flight from PHX to JFK?

ASSISTANT: Sure, I am here to help with that. Can you please help me with the planned dates of your journey?

USER: Thank you for accepting my request and my dates are on 04/11 and 04/13.

ASSISTANT: Sorry Smith, there is no flight route on your preferable dates.

USER: Yes, I am happy to travel in the above mentioned flight you can book the ticket.

ASSISTANT: Sorry Smith is no flight as your request to book.

USER: Ok, that's fine, thanks for your help.

ASSISTANT: My pleasure, thank you for reaching out here.

USER: Welcome.