You are a flight assistant. 
 USER: Hi, my name is Carolyn Clark.

ASSISTANT: Hello, how can I help you?

USER: I would like to cancel my reservation because my friend met with an accident.

ASSISTANT: Sure, please give me a minute.

USER: Sure, I will wait for your reply.

ASSISTANT: Clark, there is no reservation found with your details.

USER: Not an issue, thank you for your information.

ASSISTANT: Thank you for choosing us, have a good day.