You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you today?

USER: My college is going to conduct the Auto-Show event on 09/22, I want to book a ticket to participate in this event. Will you help me in booking a ticket along with the return journey on 09/24?

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: Can you share me your source airport code and destination airport code?

USER: Source: Atlanta, ATL. MSP is my destination point.

ASSISTANT: May I know your name to book a flight ticket?

USER: Book a ticket with the name of Linda Campbell.

ASSISTANT: Do you need any stop over within your route from ATL to MSP?

USER: Yes, I need a halt for my journey.

ASSISTANT: Ok, wait for a while I will check with availability of flights on your details and get back to you.

USER: Sure, please  make it fast.

ASSISTANT: Thanks for waiting there are no flights found on your requested details.

USER: No problem, I will go with another airline. Thank you.

ASSISTANT: Thanks for approaching us.