You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Edward Turner.

ASSISTANT: How can I help you today? Yes Turner.

USER: My holiday trip has been postponed, so I would like to change my existing reservation.

ASSISTANT: Ok. But I did not found any reservations with your name.

USER: It's ok. Thank you for your help.

ASSISTANT: Anything else to help you.

USER: No thanks.

ASSISTANT: Thank you for reaching us.