You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I help you/.

USER: Owing to an emergency I had to request for this cancellation, Can you please help me?

ASSISTANT: Please provide your name.

USER: My name is Robert Jackson.

ASSISTANT: I regret, no reservation exists by name Robert Jackson.

USER: Ok, that's not a problem.

ASSISTANT: Thanks.

USER: Thank for your information.