You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Carol Parker, can you find a flight for me from EWR to MSP?

ASSISTANT: Can I have your travelling dates?

USER: Sure, my trip dates are 09/17 and 09/19. I need a stop over the flight.

ASSISTANT: Sorry, I could not find any flight with your travel dates.

USER: It's ok, thanks for your information.

ASSISTANT: It's my pleasure.