You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to change my reservation, due to heavy rainfall in Seattle, can you help me?

ASSISTANT: Yes, I am here to help you.

USER: Thank you.

ASSISTANT: Please provide your name to check the reservation list.

USER: My name is Ruth Clark.

ASSISTANT: Ok, wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform no reservation found on your name.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for approaching us, have a good day.