You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ruth Allen.

ASSISTANT: How may I help you?

USER: I am searching a flight from MSP to DFW to attend my final examination. Can you please help me?

ASSISTANT: Sure, I will help you out.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: My preferred travel dates are 04/23 and 04/25.

ASSISTANT: Ok, please give me a minute.

USER: Ok, please make sure that the connection limit is 0.

ASSISTANT: Sorry to inform you, there is no flight found with connection limit 0 in this route.

USER: It's ok, thank you for checking for the flight.

ASSISTANT: You are welcome, thank you for reaching us.