You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Owing to an emergency, I just want to cancel ,my recent reservation. Can you please help me?

ASSISTANT: Sure, please share me your good name.

USER: Sure, Carolyn Mitchell here.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for opting us.

USER: Thanks for your response.