You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Donna Campbell planning for a round trip so, could you please book a ticket from MN-MSP?

ASSISTANT:  Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Do you need a stopover in between the journey?

USER: Yes, I need a stopover in my journey.

ASSISTANT: What are your planned trip dates?

USER: My planned trip dates are 07/20 and 07/22.

ASSISTANT:  Kindly mention your price limit?

USER: My price limit is 1000.

ASSISTANT: Ok, wait for a while I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: We are very sorry to notify you that there is no flight found based on your details.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us, Have a blissful day!.