You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Robert Thomas.

ASSISTANT: Hello Robert.

USER: Due to weather conditions, I want to change my reservation. Can you please help me for that?

ASSISTANT: Sure, please give me a moment. Sorry Robert, there is active reservation showing on your name. Is the ticket was booked in this name? There is no reservation showing on your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.