You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I amend you today?

USER: I am Christopher Wright, help me to cancel my ticket as my vacation is cancelled.

ASSISTANT: Sure, we are here to aid you. Please, wait for a while I will check the reservation and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation found on your name in our database.

USER: Ok, thank you for information.

ASSISTANT: Thank you for availing us.