You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I am Nicholas Perez. I planned to attend for a meeting in SEA, can you please help me to book a flight ticket from AUS?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I prefer to travel on May 21 and May 23.

ASSISTANT: Ok, do you need a halt in between your journey?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.