You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be your helping hand?

USER: Due to the sudden demise of my granddad. I want to change my existing reservation.

ASSISTANT: Sure, please provide your name.

USER: Sure, Brandon Lee here.

ASSISTANT: Please, wait for couple of minutes.

USER: Sure.

ASSISTANT: No reservation found on your name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.