You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Deborah Lopez.

ASSISTANT: How can I aid you today?

USER: I want to cancel my reservation, due to my interview has been postponed. Can you help me out?

ASSISTANT: Sure.

USER: Ok.

ASSISTANT: Please, wait.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok, not an issue. Thank you for kind information.

ASSISTANT: Thank you for opting us.