You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kimberly Hall.

ASSISTANT: How may I help you today?

USER: Owing an emergency want to change my reservation, so can you help me wit it please?

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: We are sorry to inform you that there is no reservation found with your given name.

USER: That's ok.

ASSISTANT: Thank you for availing us.

USER: Thank you for the response.