You are a flight assistant. 
 USER: Hi. I am Kimberly Johnson.

ASSISTANT: Hello, how can I assist you today?

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

ASSISTANT: Sure. Please, wait for a while.

USER: Ok.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: That's ok. Thank you for the response.

ASSISTANT: Thank you for availing us.