You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you for today?

USER: I am Richard King. Due to bad weather condition in my city, I would like to change my reservation. Can you help me?

ASSISTANT: Yes, I can help you with that.

USER: Thank you.

ASSISTANT: Sorry to inform you that there is no reservation found on your name in our database.

USER: It's ok, no issues. Anyway, thank you for your help.

ASSISTANT: Thank you for consulting us. Feel free to reach us anytime.