Hi.
user
Hello. How may I aid you?
assistant
I am Michael Lopez want to visit HOU, can you book a ticket from DFW?
user
Sure, may I know your travelling dates?
assistant
Sure, my travelling dates will be 08/25 and 08/27.
user
Please wait for a moment.
assistant
Sure.
user
Sorry, no flight is available for you as per your requests.
assistant
That's ok, thank you.
user
You are welcome.
assistant