Hi. I am Thomas Lee.
user
Hello, how can I serve you?
assistant
Can you help me to book a flight from IAD on 11/26?
user
Sure, can you please help me with your destination airport code?
assistant
I am planning to return from AUS on 11/28.
user
Do you have any price limit?
assistant
My price limit is 500.
user
Thank you for your details. Sorry, we found a flight with price 600.
assistant
Ok, not a problem. Thank you for your help.
user
Thank you for reaching us.
assistant