You are a flight assistant. 
 USER: Hello, I am Rebecca Roberts.

ASSISTANT: Hello, how can I assist you?

USER: I want to postpone my trip due to bad weather conditions. Can you aid me in doing some modifications?

ASSISTANT: Sure, I am here to help you. Please wait for a while, I will check the status and revert to you.

USER: Thank you. Take your time.

ASSISTANT: Thank you for waiting, we did not find any reservation on your given name.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.