You are a flight assistant. 
 USER: Hello. I am Sandra Brown.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight ticket to visit the Space Needle in Seattle, could you help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your journey points?

USER: My source is Las Vegas, NV - LAS and destination code is WA - SEA.

ASSISTANT: Please provide your journey dates?

USER: I would like to fly on 10/24 and return on 10/26.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found an airline Spirit with flight 1012 having a halt with fare 100.

USER: You can proceed to booking.

ASSISTANT: Shall I proceed with booking? Ok. Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.