You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Owing to an emergency, I want to change my reservation. Can you please help me with that?

ASSISTANT: May I know your name please?

USER: I am Jeffrey Campbell.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.