You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you please check for the flights from IAH to MSP for my business trip?

ASSISTANT: I am here to help you in booking your flight ticket. Can you please provide your planned dates of journey?

USER: My journey dates are from July 12 to July 14.

ASSISTANT: Can you please provide your name for further proceedings?

USER: Myself Barbara Carter.

ASSISTANT: Do you need any connecting limit for your journey?

USER: I need 1 connection flight.

ASSISTANT: Do you have any other requirements for your journey?

USER: I was looking for a business class flight.

ASSISTANT: Sorry to say this Barbara Carter, there are no flights which travels to your region.

USER: Oh! That's sad to know. Anyways, thank you for checking.

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

USER: Most welcome.