You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ashley Wright.

ASSISTANT: How may I assist you?

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

ASSISTANT: Sure, please wait for a while I will revert you back with the proper information.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you, there is no reservation found on your name to change it.

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

ASSISTANT: Thanks for consulting us.