You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I would like to travel from CLT to IAD as a business trip.

ASSISTANT: Sure, may I know your good name?

USER: Steven Lewis here.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My journey dates are 02/10 and 02/12.

ASSISTANT: Do you have any preferences?

USER: I need break in my journey.

ASSISTANT: We found a connecting flight 1025 from American airlines has fare 400. Shall I proceed?

USER: Go ahead.

ASSISTANT: Your ticket has been confirmed in business class.

USER: Thank you so much.

ASSISTANT: Thank you for availing us.