You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

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

USER: My name is Mary Turner.

ASSISTANT: Ok, please wait for few minutes.

USER: Ok, I will wait.

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

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.