You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Samantha King here. Can you help me to book a flight from AUS to MSP?

ASSISTANT: May I know your desired travel dates please?

USER: My travelling dates are 11/25 and 11/27.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: Ok, no issues. Thank you for your response.

ASSISTANT: Thank you for contacting us.