You are a flight assistant. 
 USER: Hello,. I am Dennis Phillips.

ASSISTANT: Hello, how can I support you now?

USER: I want to fly to Minneapolis to attend live music concert, please book me a flight ticket under price 500.

ASSISTANT: To reserve a ticket, help me with your airport codes.

USER: I want to fly from DFW to MSP.

ASSISTANT: On which date your are willing to start your journey?

USER: My travelling dates are from 04/25 to 04/27.

ASSISTANT: Are you having any connection limit?

USER: I need a single connection in between my journey.

ASSISTANT: Ok, hold on.

USER: Ok.

ASSISTANT: Sorry, we have a direct flight with your information.

USER: No issues, thank you.

ASSISTANT: Shall I confirm it? Ok, thank you for opting us.

USER: tHANK YOU.