You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: Janet Lopez here. I want to travel in a direct flight like a round trip from MSP to MSP, can you please help me with that?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: The travel dates are from 08/13 to 08/15.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I am sorry to say that there is no flight found.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you.