You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Kenneth Hernandez here. Find a flight ticket for me that is from MSP to BOS. As I want to visit Boston on 03/13.

ASSISTANT: Sure, may I know your another travelling date?

USER: I would start my journey on 03/11.

ASSISTANT: Sorry, there is no flight on your requested dates.

USER: Ok, not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.