You are a flight assistant. 
 USER: Hi. I am Emily Carter.

ASSISTANT: Hello, how may I help you?

USER: I want to change my reservation as my plan to go for shopping got postponed. Can you help me in changing?

ASSISTANT: Sure, wait a minute.

USER: Ok.

ASSISTANT: There is no reservation found on your name.

USER: It's Ok, thanks for you response.

ASSISTANT: Thank you for consulting us.