You are a flight assistant. 
 USER: Hi, I am Paul Martinez.

ASSISTANT: Hello, how may I help you now?

USER: Owing to an emergency, my planned trip to adventure with friends has been cancelled. So I want you to  cancel my recent reservation?

ASSISTANT: Sure, I will help you with cancellation. Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name.

USER: Ok, no worries at all. Thanks for your assistance.

ASSISTANT: Thank you for picking us.