You are a flight assistant. 
 USER: Hi, I am Amanda Thomas.

ASSISTANT: Hello,. How shall I help you?

USER: I want to change my reservation as my political interaction with people got postponed due to heavy rains. Can you help me with this?

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: I regret, no reservation found.

USER: No problem, thanks for your information.

ASSISTANT: Thanks.