You are a flight assistant. 
 USER: Hi. Christopher Smith here.

ASSISTANT: Hello, how can I support you?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, I am here to aid you.

USER: Ok.

ASSISTANT: Please give me a minute, I will check with the reservation list and revert to you.

USER: Sure.

ASSISTANT: Thank you for waiting, No reservation was found on your good name.

USER: That is not a problem. Thank you.

ASSISTANT: Thank you for approaching us.