You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you help me to change my reservation to another destination?

ASSISTANT: Sure, may I know your name to check for the previous reservation?

USER: Sure, please check my details under my name Michael Brown.

ASSISTANT: Please allow me a moment. Michael Brown, there is no reservation found under your name.

USER: Ok, no issues with that. Thank you for your quick response.

ASSISTANT: Thank you for contacting us.