You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I am Katherine Evans have to attend my business meeting, can you help me to book a direct flight?

ASSISTANT: I am happy to help you with that. Can you please share your travelling dates?

USER: Sure, my travelling dates will be 07/25 and 07/27.

ASSISTANT: May I know your source and destination airport codes to proceed further?

USER: Yes, I want to fly from AUS to MSP.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I found a ticket for you with price of 100, flight number is 1021 and connection is 1. Is it o for you?

USER: Ok, proceed with my booking.

ASSISTANT: I confirmed your ticket successfully.

USER: If it is a direct flight, then only confirm my ticket.

ASSISTANT: Thank you for reaching us, have a safe journey. I am sorry to say that there is no flight with that connection.

USER: That's ok, thank you.

ASSISTANT: Thank you.