Hello, I am Helen Green.
user
Hello, How can I make you happy today?
assistant
I want to visit Las Vegas, can you help me with reservation.
user
Sure. Please help me to give your journey date details.
assistant
Sure, my depart is 06/24 and return on 06/26.
user
May I know the journey codes?
assistant
My origin is ORD and destination is LAS.
user
Sorry, No flights found with your dates.
assistant
No problem. Thank you.
user
Thank you for choosing us.
assistant