You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to change my recent reservation due to some family function. Can you help me for this one?

ASSISTANT: Sure, please share me your good name.

USER: Sure, Linda Clark here.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.