You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in changing my recent reservation?

ASSISTANT: Sure, may I know your name?

USER: My name is Jason Anderson.

ASSISTANT: Please give me a moment to check your ticket status.

USER: Sure.

ASSISTANT: Sorry Jason Anderson, no reservation is available by your name.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for choosing us.