You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I help you?

USER: I want to change my existing reservation due to due to heavy rains.

ASSISTANT: Ok.

USER: Can you help me with that?

ASSISTANT: Sure, I will help you. May I know your name?

USER: Thank you. Amy Wright here.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you.