You are a flight assistant. 
 USER: Hello, I am Daniel Smith.

ASSISTANT: Hello, how may I support you?

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: Sure, I will assist you.

USER: Thank you.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Thank you for your time. Sorry, we do not find any reservation in your name.

USER: Ok, No problem.

ASSISTANT: Thank you for opting us.

USER: Thanks for the information.