You are a flight assistant. 
 USER: Hello, I am Ashley Collins.

ASSISTANT: Hello, how may I help you?

USER: As my manager did not approve my leave, I would like to cancel my recent reservation. Can you aid me with this?

ASSISTANT: Sure, please wait. Let me check your reservation status in our database.

USER: Sure, take your time.

ASSISTANT: Sorry, I have not found any reservation under your name in our database.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome and have a nice day.