You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I would like to change my existing reservation due to bad weather at my place. Can you help me with it?

ASSISTANT: Sure,. May I know your good name please?

USER: Barbara Lopez is my name.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We did not found any flight reservation on your given name.

USER: Ok, thank you for the information.

ASSISTANT: Thanks for reaching us.