Hello.
Hello. How may I help you?
I am Kevin Moore. Can you please book a flight ticket from DTW to IAD?
Sure, I am glad to help you with the ticket booking.
Thank you for your positive response.
Can you please tell me your travel dates?
 I want to take off on 08/20 and please confirm my return ticket also on 08/22.
Ok, please give me a minute.
Ok, take your time.
Sorry to inform you, there is no flight available in this route on the dates you have given to me.
Oh! It's ok no problem. Thank you for your information.
Thank you for reaching us. Have a nice day.