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

ASSISTANT: Hello, how may I assist you for the day?

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. Please wait for a while.

USER: Thank you.

ASSISTANT: Thanks for your time, there is no active reservation found in your name.

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

ASSISTANT: Thank you for reaching us.

USER: Welcome.