Hi.
user
Hello, how can I aid you?
assistant
Aid me in booking a flight from SFO to DEN under 500 fare.
user
Sure, can you share your travel dates?
assistant
10/12 and 10/14 are my travel dates.
user
May I know your good name?
assistant
Joseph Roberts is my name.
user
Thank you for your details, there were no flights found in your route.
assistant
Ok, then no problem. Thanks for the information.
user