You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please change my existing reservation as I am unable to travel due to bad weather conditions?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name to check the reservation?

USER: My name is Joshua Jones.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: It's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.