You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Can you please help me in booking my flight ticket from MSP to AUS?

ASSISTANT: Can you please share your journey dates?

USER: My planned travel dates are Mar 20-22.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: May I know your name please?

USER: My name is Mary Smith.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for reaching us.