Hello.
user
Hello, how may I aid you today?
assistant
Can you help me to book a flight ticket from DEN to SFO?
user
Sure, please share me your journey dates.
assistant
My travel dates are Sept 30 and Oct 02.
user
For booking, we need your good name. Please mention it.
assistant
I am Mary Turner.
user
Do you need direct flight or connecting flight?
assistant
I need a flight with single connection.
user
May I know your class preferences?
assistant
I prefer to travel in business class.
user
 We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.
assistant
Can you please help me to recheck that I would like to depart in evening time.
user
Sorry, no flights are available.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for opting us.
assistant