Hello, my name is Kevin Smith.
user
Hello. How can I be of  your assistance?
assistant
I want a flight ticket from Houston, can you find me a flight under 5000 fare?
user
Sure, I will check a flight on your request only. May I know the codes of origin and destination?
assistant
Origin code is HOU. Destination code is SFO.
user
Now, can you provide travelling dates?
assistant
Travel dates are 10/07 to 10/09.
user
Thanks for sharing your details, But no flights on respective days of your journey.
assistant
Ok, it's a bad news. Thank you for your information.
user
Thanks for choosing our service, Have a nice day.
assistant