Hello.
user
Hello. How may I help you out?
assistant
 I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?
user
Sure, I will help you in cancelling the ticket. May I know your name please?
assistant
Paul Roberts here.
user
Sorry, there are no reservations found.
assistant
No problem, Thanks for the information.
user
Thank you for reaching us.
assistant