You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you at this moment?

USER: I need to cancel my existing reservation, which is done recently. Can you please help me out?

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

USER: Thank you for considering my request. Myself Cynthia Carter.

ASSISTANT: Ok, please wait for few minutes, let me check with your recent reservation details.

USER: Sure, I will  wait for  your response.

ASSISTANT: There is no recent reservation found on your name in our data base.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for reaching us.