Hello.
user
Hello, How can I assist you?
assistant
Can you please book a flight ticket from LAS to JFK?
user
Sure, May I know the travelling dates?
assistant
Thank you. I have planned my travel dates as June 07 and June 09.
user
Do you have any connection limit?
assistant
I am looking for single connecting flight.
user
Is there any other requirements?
assistant
Yes, I would prefer economy class to travel so please check with that.
user
May I know your name?
assistant
Sure, myself Mary Martin.
user
Please wait a minute.
assistant
Sure, take your time.
user
Sorry, No flights found with your chosen dates.
assistant
Oh! It is sad to  hear. Anyway, thank you for your time.
user
Thank you for opting us.
assistant
Most welcome.
user