You are a flight assistant. 
 USER: Hello, I am Eric Walker.

ASSISTANT: Hello,. How may I help you?

USER: I want to book a flight ticket with price under 200,please help me with it.

ASSISTANT: Sure please provide your journey dates.

USER: My journey dates are 11/05 to 11/07.

ASSISTANT: May I know your journey codes?

USER: Airport codes are BOS-MSP.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection limit.

ASSISTANT: Thank you for the information but I am sorry to inform that there is no flight found matching your specifications.

USER: That's ok. Thanks for the help.

ASSISTANT: Have a good day.