You are a flight assistant. 
 USER: Hello, I am Emily Moore.

ASSISTANT: Hello, how may I assist you today?

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, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait a minute.

USER: Sure, take your time.

ASSISTANT: We regret to inform you that no reservation found on your given name.

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

ASSISTANT: Thank you for choosing us.

USER: Welcome.