You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Kenneth Wright this side, can you book a ticket from IAH to AUS?

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

USER: I am planning to start on 02/02 and return on 02/04.

ASSISTANT: Ok, hold on for a moment.

USER: Take your time.

ASSISTANT: Sorry Wright, there are no flights available on that particular route.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for choosing us, have a great day.