You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Samantha Hall.

ASSISTANT: How can I assist you today?

USER: Would it be possible to cancel my reservation?

ASSISTANT: Sure. Allow me a moment to check your name in our database to cancel it.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting. Sorry Hall, there is no reservation found under your name in our database.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.