You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am Richard Garcia, want to cancel my recent reservation due to some personal problem. Please help me out with that.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, no active reservation was found on your name in the database.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for choosing us.