Hello.
user
Hello. How may I help you?
assistant
Can you please help me to book a flight from IAD to DTW?
user
Please provide your travelling dates.
assistant
Sure, I want to travel on Jan 24 and need to return on Jan 26.
user
Do you have preference?
assistant
I need a connecting flight with an economy class.
user
May I know your name?
assistant
Eric King here.
user
Sorry, there is no flight with your requirement.
assistant
Ok, not an issue.
user
Thank you.
assistant
Thank you for checking.
user