You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I amend you at this moment?

USER: I am Brandon Lee. I want to book a flight ticket to attend a business meeting in Seattle.

ASSISTANT: Ok.

USER: Could you help me in booking a flight ticket?

ASSISTANT: Sure, I will amend you. For booking a ticket, can you please tell the destination code?

USER: Sure, my destination is WA - SEA and my origin from Las Vegas, NV - LAS. I need a direct flight to travel.

ASSISTANT: Ok. Let me know your travelling dates.

USER: I would like to fly on 04/11 and return date on 04/13.

ASSISTANT: Thanks for your details. I am glad to share you the flight details that matches with your information. You have 1022 flight with 1 connection. Of price 100. Shall I confirm your ticket?

USER: Don't proceed to booking. I need a direct flight.

ASSISTANT: Ok. Thank you for opting us.

USER: Thanks for your service.