You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I want to cancel my recent reservation due to office work that my manager did not approve my leaves, so can you please help me with that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: To cancel your reservation I need your name, can you please share it?

USER: Sure, my name is Cynthia Roberts.

ASSISTANT: I am sorry to inform you that we couldn't find any reservation on your name to cancel.

USER: No issues, thank you for your information.

ASSISTANT: Thank you for connecting us.