Hello.
user
Hello, how may I guide you?
assistant
I am Dennis Walker.
user
Ok.
assistant
Due to some problems my trip was cancelled so can you please cancel my flight ticket?
user
Sure, please wait.
assistant
Ok, thank you for your response.
user
I am sorry, there are no reservations with your name.
assistant
Oh! It's ok no problem.
user
Thank you.
assistant
Thank you for your information.
user