You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kimberly Gonzalez.

ASSISTANT: How may I assist you?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, wait for a while. I will check the previous list and let you know the details of it.

USER: Ok.

ASSISTANT: Thank you for your time. No reservation was found on your name.

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

ASSISTANT: Thank you for reaching us, have a good day.