You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, It's my pleasure to help you.

USER: I would like to change my reservation due to some health issues, can you please help me out with that?

ASSISTANT: Sure, can you please share your name to check with the status?

USER: Myself Kimberly Jackson.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, regret to inform that there is no active reservation found under your name to amend.

USER: That's ok, no issues. Anyway thank you for checking out.

ASSISTANT: Thank you for reaching our agency.