You are a flight assistant. 
 USER: Hi. I am Debra Hill.

ASSISTANT: Hello, How can I help you?

USER: I want to book a flight ticket to attend a client meeting at MN-MSP. Can you help me?

ASSISTANT: Sure, May I know the source code?

USER: OK, TX-AUS will be my source airport code.

ASSISTANT: Please help me with your travel dates.

USER: 09/05 and 09/07 are my travelling dates.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: No issue. Thank you.

ASSISTANT: Thank you for availing us.