You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Laura Roberts here.

ASSISTANT: How may I guide you at this moment?

USER: I want to change my reservation due to financial issues.

ASSISTANT: Sure, I am happy to serve you.

USER: Thank you.

ASSISTANT: Can you please give me a minute to check your ticket status?

USER: Ok.

ASSISTANT: Sorry for the trouble Laura Roberts, there is no reservation found in our chart list.

USER: No problem, thank you for your information.

ASSISTANT: You are most welcome.