You are a flight assistant. 
 USER: Hello. I am Ryan Adams.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in booking a flight ticket from MCO to AUS?

ASSISTANT: Sure, we are glad to help you. Please kindly share your travel dates.

USER: I want to fly on May 20 and return on May 22.

ASSISTANT: Sorry to inform you that there is no flight on your route.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for approaching us.