Hi, I am David Hall.
user
Hello, how may I assist you for today?
assistant
I want to celebrate my birthday with my family at Chicago, can you please book me a ticket?
user
Sure, I am glad to help you about your booking. Can you please provide your traverse dates?
assistant
My dates of travel is from 03/27 to 03/29.
user
Can you please provide your location codes?
assistant
My travel starts from Las Vegas, NV-LAS to Chicago, IL-ORD.
user
Sorry to say this there is no fights to your destination from our service.
assistant
Ok, no problem. Thank you.
user
Thank you for opting our service. Hope you have a safe journey.
assistant