Hello.
user
Hello. How may I assist you?
assistant
I would like to visit Detroit, can you help me out in booking a flight ticket from IAH to DTW.
user
Sure, I will help you in booking the ticket. May I know your travelling dates please?
assistant
My preferable dates are 04/20 and 04/22.
user
Can I know your name please?
assistant
I am Kathleen Clark.
user
Sorry, there are no flights found in our database.
assistant
That's ok, I will contact with another service.
user
Thank you for reaching us.
assistant