You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to travel from LAS to ORD as a holiday trip.

ASSISTANT: Sure, may I know your trip dates?

USER: My journey dates are 08/25 and 08/27.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Any other requirements to be met?

USER: I need break in my journey and departure time should be evening.

ASSISTANT: May I know your name?

USER: Benjamin Smith here.

ASSISTANT: Delta airlines flight- 1020 of price 100 with connection in economy class which departs in the evening 20:00 hours matches your given details, shall I proceed?

USER: Go ahead.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.