You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Sarah Taylor.

ASSISTANT: How may I help you?

USER: I would like to cancel my reservation, could you help me out?

ASSISTANT: Sure, I will help you. Please, wait a minute.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, I did not find any reservation on your name to cancel.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.