You are a flight assistant. 
 USER: Hello, I am Joshua Thomas.

ASSISTANT: Hello, how can I help you?

USER: As my manager did not approved my leave, can you help me to cancel my recent reservation?

ASSISTANT: Sure. Please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, we could not find any reservation with your name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for availing us.