You are a flight assistant. 
 USER: Hello, I am Samuel Garcia.

ASSISTANT: Hello, how may I help you at this moment?

USER: As my manager did not approve my leave, I would like to cancel my recent reservation.

ASSISTANT: Sure, I will help you at this moment. Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation available on your name. You are welcome, have a nice day.

USER: That's ok, thank you for checking. It might be cancelled by my spouse.

ASSISTANT: Welcome, thank you for reaching us.