You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Shirley Turner. Owing an emergency want to change my reservation, so can you help me with it?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please stay online, I will check the previous list and revert to you.

USER: Ok.

ASSISTANT: Thank you for your time, no reservation found on your name.

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

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