You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Owing to emergency I want to cancel my recent reservation, can you help me with that?

ASSISTANT: Sure, we are here to help you with cancellation.

USER: Thank you.

ASSISTANT: To proceed further, let me know your name.

USER: My name is Andrew Campbell.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time, there was no reservation found on your name to cancel it.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for reaching us.