You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I need your help in changing my reservation due to bad weather condition. Can you help me out?

ASSISTANT: Sure, let me know your name please.

USER: Ronald Campbell is my name.

ASSISTANT: There is no reservation found with your name.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for reaching us.