Hello, Christopher  Smith here.
user
Hello, how can I help you today?
assistant
I need to book a flight ticket as I need to meet my cousin, so please book me a ticket under 500.
user
Ok, can you please provide me travel dates?
assistant
Yes, I want to travel from 04/06 to 04/08.
user
could you share your airport codes?
assistant
My source and destination codes are NV-LAS to CA-SFO.
user
We found a flight with your requirement, airline is Frontier with flight  number 1005.
assistant
Ok, please proceed with this booking.
user
Your ticket is confirmed.
assistant
Thank you.
user
Have a nice day.
assistant