You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Ronald Edwards here. I want to book a plane from MSP on 05/26, can you help me for booking with the price limit of 500?

ASSISTANT: Sure, can you provide me your destination code?

USER: Sure, destination code is DTW.

ASSISTANT: OK, may I know your return date?

USER: Ok, my return date is 05/28.

ASSISTANT: Do you need any connection limit?

USER: I need only one connection.

ASSISTANT: Sorry to say you that there is no reservation found with your requirements.

USER: Ok, no worries.

ASSISTANT: Thank you, for the information.

USER: Thank you.