You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Myself Nancy Wright, can you help me to change my recent reservation?

ASSISTANT: Sure, I am here to help you. Please wait for a mean while.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Nancy, there is no reservation found as per your name to change your reservation.

USER: It's ok, thank you for searching.

ASSISTANT: You are welcome always.