You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am planning to postpone my trip so, please help me in changing my reservation.

ASSISTANT: Sure, please provide me your name?

USER: Pamela Baker is my name.

ASSISTANT: Please wait a minute.

USER: OK.

ASSISTANT: Sorry, there is no reservation with found with your name.

USER: Ok, not an issue. Thanks for the information.

ASSISTANT: Thank you.