You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me to amend my reservation which I had done last month?

ASSISTANT: Yes, can you tell me your name?

USER: Ok, please check in your records for the name Samantha Harris.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: That is ok, thank you for the information.

ASSISTANT: Thank you for reaching us.