Hello. I am Sandra Lopez.
user
Hello, how can I assist you for the day?
assistant
I want to travel from IAD to DTW. Can you help me to book a flight ticket?
user
When you are willing to travel?
assistant
I want to travel in the flight on Apr 28 and Apr 30.
user
Do you have any class preference?
assistant
No, but I want to return in afternoon time.
user
Let me know your connection limit.
assistant
I want to have a connection of 1.
user
Sorry, we found no flights on your given dates.
assistant
That's ok. Anyways, thank you for your help.
user
Thank you for reaching us.
assistant