You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jacob Phillips.

ASSISTANT: How can I help you?

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

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: There is no reservation found under your name.

USER: That' ok, thank you for your help.

ASSISTANT: Most welcome.