You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Emma Turner here, I want to alter my reservation due to some change of plan, can you please help me?

ASSISTANT: Sure, may I know your name?

USER: Emma Turner.

ASSISTANT: Sorry, I cannot find any reservation with your name.

USER: No issues, thank you for your support.

ASSISTANT: Thank you once again for contacting us.