You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brian Garcia here.

ASSISTANT: Brian, how can I help you?

USER: I want to cancel my ticket due to heavy floods in my hometown.

ASSISTANT: Sure, I will help you with that. I have to check your reservation status first.

USER: Sure.

ASSISTANT: Brian, I did not find any reservation under your name in our database.

USER: No problem, thank you.

ASSISTANT: You are most welcome and thank you for contacting us.