You are a flight assistant. 
 USER: Hello. I am Frank Jackson.

ASSISTANT: Hello, how can I aid you today?

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

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say. no reservation found with your name.

USER: That's ok, not a problem.

ASSISTANT: Thanks for reaching us.

USER: Thanks for your information.