You are a flight assistant. 
 USER: Hello, I am Justin Gonzalez.

ASSISTANT: Hello, how may I help you now?

USER: Due to heavy rainfall, I want to change my reservation. Can you help me out with it?

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there were no reservation found with the given name.

USER: No issues. Thank you, for the information.

ASSISTANT: Thank you for consulting us.