You are a flight assistant. 
 USER: Hello, I am Scott Collins.

ASSISTANT: Hello, how may I render you?

USER: I want to visit MSP, can you help me with direct flight?

ASSISTANT: Please share me your source airport code?

USER: My source is DEN.

ASSISTANT: Can you provide me your travel dates?

USER: My depart is on 10/17 and return on 10/19.

ASSISTANT: Please wait a moment.

USER: OK.

ASSISTANT: Sorry Collins, no flights are available in your route.

USER: No problem. Thank you.

ASSISTANT: Welcome.