You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Emily Allen. I am planning to visit DEN to meet my father, can you please find a flight from PHX?

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

USER: My travelling dates are from 10/02 till 10/04.

ASSISTANT: Please give me a moment.

USER: Ok, take you time.

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

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.