Hi, myself Dennis Johnson.
user
Hello, how can I assist you at this moment?
assistant
Owing for an emergency, I have to cancel my flight reservation. Can you please help me?
user
Sure, I will help you in cancelling your reservation. Please give me a moment to check your reservation status.
assistant
Sure, I will wait for your reply.
user
Dennis Johnson, I have searched the database with your name and I couldn't find any active reservation under your name.
assistant
No problem, thank you for checking.
user
Thank you for approaching us.
assistant