You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to change my existing reservation, due to bad weather conditions. Can you please help me to change my existing reservation?

ASSISTANT: Sure, may I know the name to check for the status?

USER: Thank you for the response.I am James Moore here.

ASSISTANT: Please be on hold, I will get back to you in a minute.

USER: Ok, sure.

ASSISTANT: Thank you for waiting.

USER: Ok.

ASSISTANT: Here, there is no active reservation have been found under your name in our database to amend it.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.