Hello.
user
Hello, how can I aid you today?
assistant
I am Scott Edwards. Please book me a ticket from DTW to HOU to meet my old friends.
user
Sure, we are here to help you. Can you share me your travelling dates to book a flight ticket?
assistant
My travel dates are from  04/23 to 04/25.
user
Ok, wait for some time I will check and get back to you.
assistant
Ok, I will wait.
user
Thanks for waiting there are no flights found on your details.
assistant
Ok, no problem. Thank you.
user
Thanks for approaching us.
assistant