You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Stephen Hall here.

ASSISTANT: How may I aid you?

USER: Could you book my ticket from ORD to PHX?

ASSISTANT: Sure, let me know your travelling dates?

USER: My trip dates are 02/08 and 02/10.

ASSISTANT: Do you need any halt in between your journey?

USER: No.

ASSISTANT: Please hold on a moment.

USER: Ok.

ASSISTANT: Sorry to inform that, there are no flights found on your routes.

USER: No problem, thank you.

ASSISTANT: Thanks for reaching us, have a nice day.