You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Katherine Lewis. I am planning to book a ticket to attend a music event at AUS. Can you please help me out to book a ticket from MSP?

ASSISTANT: Sure, I will help you with that. Please provide me your travel dates.

USER: I would like to travel on 06/01 and return back on 06/03.

ASSISTANT: Please wait for a minute to check available flight for you.

USER: Make sure my connection limit is 1.

ASSISTANT: Based on your request, there is a flight for you with airline Delta and price is 700. Shall I proceed?

USER: Please do not proceed the booking, because my price limit is 500.

ASSISTANT: Sorry, I could not find any flight with your price.

USER: That's fine. Thank you for your help.

ASSISTANT: It's my pleasure.