You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me to change my recent reservation as my business schedule is postponed?

ASSISTANT: Sure, may I know the name to check for the status.

USER: The ticket is under the name Eric Nelson.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Thank you for waiting. Here, there is no active reservation have been found under your name in our database to amend it.

USER: That's not an issue, anyway thank you for checking.

ASSISTANT: Thank you for reaching us.