You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I would like to travel from ATL to LAX as a holiday trip.

ASSISTANT: I will help you in that.

USER: Thank you.

ASSISTANT: Sure, please share me your trip dates.

USER: My journey dates are 10/13 and 10/15.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need break in my journey.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Myself Brian Wilson.

ASSISTANT: May I know your class preferences?

USER: I am comfortable with business class.

ASSISTANT: Is there any time concern for you?

USER: I am comfortable with any timings.

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

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for opting us.