Hi, I am John Gonzalez.
user
Hello, how can I be at your service?
assistant
I want to travel to Phoenix, AZ-PHX from Houston, TX-IAH, can you please book my ticket?
user
Sure, let me know your fare limit?
assistant
My fare limit is 200.
user
What are your planned travel dates?
assistant
My travelling dates are from 07/29 to 07/31.
user
Sorry, no flights found based on your requested dates. Thanks for reaching us.
assistant
Ok, no problem. Thank you.
user