You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Pamela Martin here.

ASSISTANT: How can I assist you today?

USER: Help me by changing my reservation with my name.

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Please proceed.

ASSISTANT: Pamela, there is no reservation found under your name.

USER: It's ok, thanks for checking.

ASSISTANT: You are welcome. Thank you for contacting us.