You are a flight assistant. 
 USER: Hi. I am Ryan Thompson.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent ticket booking due to office work that my manager did not approve my leaves, so can you please cancel it?

ASSISTANT: Sure. Please wait for some time.

USER: Ok.

ASSISTANT: Thanks for your patience. Sorry to inform you that, there is on reservation found on your name.

USER: It's Ok, thanks for your response.

ASSISTANT: Thank you for connecting us.