You are a flight assistant. 
 USER: Hello, I am Edward Parker.

ASSISTANT: Hello, how may I help you today?

USER: Due to bad weather, my meeting has been postponed. I want to change my reservation. Can you please help me with it?

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: OK.

ASSISTANT: Sorry, there is no reservation found on your given name.

USER: Not an issue, thank you.

ASSISTANT: Thanks for choosing us.