You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Ok, may I know your name?

USER: My name is Ashley Mitchell.

ASSISTANT: Please wait for a while, I will check and let you know about your reservation status.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name to change.

USER: Sad to hear that. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching us.