You are a flight assistant. 
 USER: Hello, I am Raymond Jones.

ASSISTANT: Hello, how may I lend a hand to?

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, I am here to help you for this. Let me check your reservation status in our database.

USER: Thank you.

ASSISTANT: Sorry for inconvenience, no reservation is found with your criteria.

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

ASSISTANT: Thank you very much for contacting our agency.

USER: Welcome.