You are a flight assistant. 
 USER: Hello, I am Ruth Williams.

ASSISTANT: Hello. How can I help you?

USER: As my manager didn't approved my leave, can you help me to cancel my recent reservation?

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT:  Sorry, no reservation found on your name.

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

ASSISTANT: Thank you for availing us.