You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket to meet my grandparents who stay at MN. Can you help me?

ASSISTANT: Can you provide me the proper airport codes?

USER: AUS and MSP are my airport codes.

ASSISTANT: Can you please provide me your itinerary travel dates?

USER: May 24th and 26th are my travelling dates.

ASSISTANT: Would you like to avail any connection limit?

USER: Yes, I need  a break .

ASSISTANT: Is there any time concern?

USER: No more.

ASSISTANT: May I ask you for your name?

USER: Sure, Matthew Garcia here.

ASSISTANT: Please spare me a moment.

USER: Ok.

ASSISTANT: Matthew Garcia. I regret to inform that there are no flights on your route with the given dates.

USER: No issue, Thank you for the information.

ASSISTANT: Thank you for reaching us.