You are a flight assistant. 
 USER: Hello, I am Robert Evans.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I want a flight ticket with single connection. Please, help me for booking a ticket from MN - MSP.

ASSISTANT: Sure, I am mirthful to help you. When would you like me to book a ticket?

USER: I have planned my journey to start on 08/05 and return on 08/04.

ASSISTANT: Is there any price limit?

USER: I can afford only 200 for flight ticket.

ASSISTANT: Can you please check your travelling dates?

USER: Sorry, my starting  date is on 08/02.

ASSISTANT: Please ensure your destination airport?

USER: Destination code is LAS.

ASSISTANT: Ok, please stand by I will check and revert you.

USER: Sure.

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

USER: Okay, not an issue.

ASSISTANT: Thank you for reaching us, Have a pleasant journey.

USER: Thank you for your help.