Hello.
user
Hello, how can I be your helping hand today?
assistant
Can you please help me to book a flight from IAH to DTW?
user
Sure, can I know your good name please?
assistant
I am Amy Lewis.
user
 When you are willing to travel?
assistant
I want to depart on May 9 and need to return on May 11.
user
Do you need direct flight or connecting flight?
assistant
I need a connecting flight.
user
Kindly share your other specifications.
assistant
My return time must be in the evening.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
Ok, no problem. Thank you for the information.
user
Thank you for opting us.
assistant