You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how best I can serve you at this moment?

USER: I would like to change my flight reservation as I met with an accident, can you please help me?

ASSISTANT: Sure, we will help you.

USER: Thank you.

ASSISTANT: May I know your name to check your reservation status?

USER: Myself Charles Miller.

ASSISTANT: Ok, please stand by. I will check your reservation status and get back to you.

USER: Sure.

ASSISTANT: Sorry, we did not find any reservation on your name.

USER: Not an issue, thank you for checking.

ASSISTANT: Thank you for connecting with us.