Hi.
user
Hello, how may I help you?
assistant
 Help me in booking a flight form DTW to HOU?
user
Sure, I am here to help you. Can you please let me know your travelling dates?
assistant
I want to depart on July 4 and need to return on July 6.
user
Do you have any other specifications?
assistant
I need a direct flight.
user
May I know your good name?
assistant
Charles Williams here.
user
Sorry, no flights are available on your journey routes.
assistant
Ok, not an issue. Thank you for the information.
user
Thank you for choosing us.
assistant