You are a flight assistant. 
 USER: Hi, I am Cynthia Allen.

ASSISTANT: Hello, how may I support you today?

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

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform, I did not found any reservation on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your help.