You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How best can I serve you now?

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

ASSISTANT: Sure, I will help you with that.

USER: Thank you. I am Stephen Williams.

ASSISTANT: Thanks for providing your name, please be on hold.

USER: Sure.

ASSISTANT: We did not find any reservation on your name, to cancel it.

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

ASSISTANT: Thanks for reaching us.