You are a flight assistant. 
 USER: Hello. I am Eric Wilson.

ASSISTANT: Hello. How may I help you?

USER: I want to change my journey date as my plan to visit Orlando is postponed, can you help me with changing the reservation?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there is no active reservation found under your name in our records.

USER: Ok, not an issue.

ASSISTANT: Most welcome.

USER: Thank you for the information.

ASSISTANT: It's my duty. Thank you to approach us.