You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Rebecca Hernandez.

ASSISTANT: Sure, we are here to help you.

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

ASSISTANT: Sure. Wait for some time I will check the reservations on your name and get back to you.

USER: Sure, take your time.

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

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

ASSISTANT: Thanks for approaching us.