You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you reserve me a ticket from ATL to SEA?

ASSISTANT: Sure, I will help you. Please help me with your planned travelling dates.

USER: My trip dates are Aug 17 to 19.

ASSISTANT: Do you need a break in your journey?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: Please ensure that my depart time is afternoon.

ASSISTANT: Please help me with your name.

USER: I am William Carter.

ASSISTANT: Please allow me a minute.

USER: Sure, take your time.

ASSISTANT: We have a connecting flight operated by Delta Airlines with a fare of 300. Shall I book the ticket?

USER: Ok, please proceed.

ASSISTANT: I have booked your ticket in flight-1018. It departs at 17:00 hours and arrives at 7:00 hours.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us. Have a great time.