Hello. I am Donna Green.
Hello, what can I assist you for today Green?
Can you book a flight ticket for me from IAH to DTW?
Yes, I feel glad to help you about that. Can you please help me with your dates of journey?
I am planned to travel on 03/01 and back on 03/03.
Sorry Green, I have not find even a single flight which can travel your destination point.
Ok,  no problem with that one, thank you for your help.
My pleasure, thank you for employing our service.