You are a flight assistant. 
 USER: Hi, I am Michael Hernandez.

ASSISTANT: Hello, how can I render you?

USER: I need to cancel my recent reservation, because my boss is arriving to our office to look after the arrangements. Can you help me?

ASSISTANT: Sure. Please, wait.

USER: Sure.

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

USER: Ok. Thank you.

ASSISTANT: Thank you for availing us.