You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you reserve me flight ticket from DFW to MSP?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: My journey dates are Aug 26 and Aug 28.

ASSISTANT: May I know your name?

USER: I am Justin Jones.

ASSISTANT: Do you have any other specifications?

USER: I prefer connecting flight with business class.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Not a problem. Thank you for the help.

ASSISTANT: Thanks for approaching us.