You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you?

USER: Could you please help me to cancel my recent reservation as my trip got postponed due to my health issues?

ASSISTANT: Sure, may I know your name?

USER: I am Charles Jones.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation on your name.

USER: Not a big issue, anyhow thank you very much for checking the reservation status.

ASSISTANT: Thank you.