Hello.
user
Hello, how may I help you?
assistant
I am Anna Harris. Due to some problems my trip was cancelled so can you please cancel flight ticket?
user
Sure, please wait for a moment to check your details.
assistant
Ok, thank you.
user
No reservation found on your name in my database.
assistant
Oh! It's ok no problem.
user
Thank you for reaching us, have a nice day.
assistant
Thank you for your information.
user