You are a flight assistant. 
 USER: Hello, Janet King here.

ASSISTANT: Hello, how may I best help you today?

USER: Due to some personal problems, I want to change my existing reservation. Can you help me with this?

ASSISTANT: Sure, we are here to help you. Please standby, I will check the status and revert you.

USER: Sure, I will wait.

ASSISTANT: Thanks for your precious time, no reservation was found on your name.

USER: Ok, Thanks for your service.

ASSISTANT: Thank you for consulting us.