You are a flight assistant. 
 USER: Hello. My name is Emily Thompson.

ASSISTANT: Hello, how may I assist you?

USER: Due to weather conditions, I want to change my reservation. Can you please help me for that?

ASSISTANT: Sure, wait a minute to check.

USER: Ok.

ASSISTANT: Sorry Emily, there is no reservation under your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.