You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Can you help me in changing my recent reservation with the name Shirley Jones?

ASSISTANT: Surely, I will help you out.

USER: Thank you.

ASSISTANT: On whose name, you have made the reservation earlier?

USER: I already mentioned in the above.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, no reservation was found on your name to change.

USER: Its ok, thank you.

ASSISTANT: Thank you for choosing us.