Hello. My name is Christopher Campbell.
user
Hello Christopher. How may I help you for today?
assistant
Owing to an emergency, my trip is cancelled. Could you help me in cancelling the reservation?
user
Yes, I can help you in cancelling your reservation. Sorry, I could not find any ticket booked on your name to cancel.
assistant
That's ok. Anyway's, I wanted to cancel the reservation. Thank you for your time.
user
Thank you, have a great day.
assistant