You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to change an existing reservation due to sudden demise of my great grand mother. Can you help me with this?

ASSISTANT: Sure, can I have your name please?

USER: I am Samantha Phillips.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation on your given name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.