You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Rachel Green. Can you help me to book a flight with 1 connection?

ASSISTANT: Please share your desired travel dates?

USER: My travelling dates are 10/20 and 10/22.

ASSISTANT: May I know your airport codes please?

USER: My source is MSP and my destination is AUS.

ASSISTANT: There is no flight on your desired travel dates.

USER: That is fine, no issues. Thank you for your help.

ASSISTANT: Thank you for opting us.