You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

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

ASSISTANT: Can you please provide your good name to search for reservation status?

USER: Sure, my name is Rebecca Moore.

ASSISTANT: Wait a moment please.

USER: Sure, I will wait for your reply.

ASSISTANT: Rebecca Moore, there is no active reservation found with your name in our database.

USER: That's fine, not an issue. Thank you for checking.

ASSISTANT: Thank you for contacting us.

USER: Welcome.