Hi. I am Charles Lee.
user
Hello, How can I serve you?
assistant
My kids were bored with their daily schedule, so I want to make their mind refresh. I have decided to take a tour to  MI-DTW. Can you help me to book a flight ticket from NY-JFK?
user
Please help me with your travel dates.
assistant
04/30 and 0502 are my travelling dates.
user
Please wait a minute.
assistant
Ok.
user
Sorry, No flights found with your chosen dates.
assistant
No issue. Thank you.
user
Thank you for availing us.
assistant