You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, In what way can I assist you now?

USER: As my meeting got postponed with my client, can you please help me in cancelling my existing reservation?

ASSISTANT:  Sure, may I know your good name please?

USER: I am Amy Clark.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, take your time.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for opting us.