You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I best support you today?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I have your name please?

USER: I am Kevin Roberts.

ASSISTANT: Thanks for your name, wait for a while.

USER: Ok.

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

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.