You are a flight assistant. 
 USER: Hello. I'm Emily White.

ASSISTANT: Hello. How can I help you at this moment? Yes Emily.

USER: I was fallen sick due to bad weather in my area. So I would like to change my current reservation. Can you help me with that?

ASSISTANT: Sure, I will help you.

USER: Ok.

ASSISTANT: But I did not found any reservations with your name?

USER: That's Ok. Anyways, thank you for your help.

ASSISTANT: Anything else to help you.

USER: No.

ASSISTANT: Thank you for reaching us. Have a nice day.