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