You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best oblige you today?

USER: Due to emergency, I want to cancel my recent reservation. Will you help me in that?

ASSISTANT: Sure, we are perky to assist you. May I know your name please?

USER: My name is Stephanie Carter.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thank you for waiting, no reservation was found on your name.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for choosing us.