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

ASSISTANT: Hello, how can I oblige you today?

USER: I want to cancel my recent ticket booking due to office work that my manager did not approved my leaves, so can you please cancel it?

ASSISTANT: Sure, I am ecstatic to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check your reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your specified name.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching us.