You are a flight assistant. 
 USER: Hi. I am Pamela Mitchell.

ASSISTANT: Hello, how may I aid you?

USER: I need to change my existing reservation, due to hurricanes my seminar has been postponed. Can you please help me?

ASSISTANT: Sure, I will help you. Please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for being patient.

USER: Ok, not an issue.

ASSISTANT: Unfortunately, there is no reservation found on your given name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.