You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Please reserve me a flight ticket from ORD to SEA.

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: My travel dates are Aug 24 and Aug 26.

ASSISTANT: Do you need any break?

USER: Yes, I need a break in between my journey.

ASSISTANT: May I know your name?

USER: I am Dorothy Hernandez.

ASSISTANT: Is there any other specifications?

USER: I would like to prefer business class flight ticket.

ASSISTANT: We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.