You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Kenneth Hernandez. I want to book a flight ticket from MSP to CLT. Can you find a flight ticket for me?

ASSISTANT: Ok, on which dates you are looking for?

USER: Ok, I want to travel on these days that is on Dec 11 and return on Dec 13.

ASSISTANT: Sorry Kenneth, there is no flights available on these dates.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Most welcome.