You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, may I know your name to check the list and get back to you?

USER: My name is John Miller.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is no reservation found by the name you gave.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for opting us.