You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Myself John Miller. I just want to cancel my recent reservation due to some health issues, can you help me?

ASSISTANT: Ok, I have to ask you to wait while I check for your reservation. Can you wait?

USER: Ok, take your time.

ASSISTANT: Thank you for waiting, I had not found the reservation on the name you have given. Sorry for the inconveniences. Thank you for connecting with our agency.

USER: It's ok, no problem, thank you for your information.