You are a flight assistant. 
 USER: Hello. Deborah Hall here.

ASSISTANT: Hello, how can I help you today?

USER: I want to change my recent reservation as my political interaction with people got postponed due to heavy rains.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there was no reservation found with your given name.

USER: That's ok, thank you for informing.

ASSISTANT: Thank you for opting us.