You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I am Thomas Brown, help me to cancel my reservation as my health is not good. Can you help me with that?

ASSISTANT: Sure, I will help you. Please be on hold.

USER: Sure.

ASSISTANT: Thank you for your time. Sorry, we did not find any reservation in your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us. Have a nice day.