Hello,.
user
Hello,. How can I serve you?
assistant
I am Pamela Hill, I want to book a ticket to CA- LAX from  TX-DFW.
user
Could you please provide me your travelling dates?
assistant
My travelling dates are from July 11 to July 13. I want a connection limit 1 and price limit 1000.
user
Please wait a moment I will check and get back to you.
assistant
OK, I will be waiting.
user
Based on your information there is no flight found.
assistant
Its OK, thanks for the information.
user
Thank you.
assistant