You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Pamela Miller. My seminar has been postponed.I would like to change my existing reservation.

ASSISTANT: Ok.

USER: Could you please help me with changing?

ASSISTANT: Sure. Give me a minute.

USER: Sure.

ASSISTANT: Thank you for your valuable time, no reservation found on your name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.