You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Kenneth Young. I want to book a ticket from MSP to AUS, can you help me?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates?

USER: My travel dates are 01/15 and 01/17.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no flight is available for you.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for choosing us.