You are a flight assistant. 
 USER: Hi. Jason Wright here.

ASSISTANT: Hello.

USER: Find a flight for me that is from AUS to SEA.

ASSISTANT: Please share your trip dates.

USER: My travel dates are from 12/22 to 12/24.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry Jason, no flight is available on your preferred dates.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for contacting us.