You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to change my flight reservation as I am unwell, can you please help me?

ASSISTANT: Sure, I am glad to help you in that.

USER: The reservation was done in the name of Samantha Rodriguez.

ASSISTANT: Ok, please wait for a moment to check your reservation status.

USER: Sure.

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

USER: That's fine. Anyway, thank you for checking.

ASSISTANT: Thank you for approaching us.