Hi. I am Betty Baker.
Hello, how best I can help you today?
Book a flight from DTW to IAH under 5000 fare.
Sure. Can you please forward your journey dates?
Sure, my journey dates are 10/17 to 10/19.
Thank you for sharing your details. Please wait for a while.
OK.
Thank you  for waiting. Sorry we did not find any flights matching your credentials.
Ok, no problem at all.
Thank you for reaching us.
Thanks for your response.
Have a nice day.