You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: My holiday trip is postponed, so I want to make some changes in my reservation. Can you please help me?

ASSISTANT: Sure, I'll check your reservation status. Please be on hold.

USER: Sure, my reservation was done on the name of Amanda Jackson.

ASSISTANT: There is no reservation found under your name to do modifications.

USER: Not an issue, anyway thank you very much for checking.

ASSISTANT: Thank you so much for choosing us.