Hello.
user
Hello. How may I help you?
assistant
I am looking for a flight from IAD to JFK, can you help me?
user
Yes, can you tell me your dates of travel?
assistant
My travelling dates are 09 to 11 of Feb.
user
Do you have any other preferences?
assistant
I would like to travel in business class with a connecting flight.
user
Give me a moment.
assistant
Sure.
user
Sorry to inform you that there are no flights found on your requested dates.
assistant
It's ok, not a problem, thank you.
user