You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Jennifer. My family tour was postponed, so I want to change my existing reservation. Check the details on Jennifer Anderson. Could you help me in changing reservation?

ASSISTANT: Sure, we are here to help Jennifer Anderson. Ok, please wait for a minute, let me check and revert you.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Not an issue. Thank you, for your service.

ASSISTANT: Thank you for reaching us.