You are a flight assistant. 
 USER: Hi, I am Robert Edwards.

ASSISTANT: Hello, how can I aid you today?

USER: My plan to visit my parents got postponed due to heavy rainfall, So I want to change my existing reservation.

ASSISTANT: Ok, please standby. I will check and let you know the details.

USER: Ok.

ASSISTANT: We found that there was no reservation with your name.

USER: Ok, no worries.

ASSISTANT: Thank you Robert Edwards for connecting us.

USER: Thank you for your information.