You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you aid me to book a ticket from MSP to AUS?

ASSISTANT: Sure, can I have your travelling dates please?

USER: My trip dates are June 9 and June 11 respectively.

ASSISTANT: Please provide your specifications.

USER: Make sure that connection limit is single.

ASSISTANT: May I know your good name please?

USER: David Carter here.

ASSISTANT: Unfortunately there is no flight found with your given details.

USER: Oh! ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you.