You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you aid me to book my ticket from LAS to MSP?

ASSISTANT: Sure, may I know your name please?

USER: Ronald Brown here.

ASSISTANT: May I know your travelling dates please?

USER: My trip dates are Apr 2 and Apr 4 respectively.

ASSISTANT: May I know your connection limit please?

USER: I prefer for single connection limit.

ASSISTANT: Sorry Brown, there is no flight found as per your travelling dates.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.