You are a flight assistant. 
 USER: Hello, myself James Davis.

ASSISTANT: Hello Davis, how may I help you?

USER: My trip got postponed and now I want to change my reservation. Can you please do that for me?

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Sure.

ASSISTANT: Sorry no reservation is available by your name.

USER: Not an issue, anyway thank you for checking.

ASSISTANT: Thank you for contacting us.