You are a flight assistant. 
 USER: Hello. My name is Samantha Parker.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to change my existing reservation due to sudden change in my destination. Can you help me with change reservation?

ASSISTANT: Ok. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok, No issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.