You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: Having a heavy snow-storm at my place, I am unable to start. For this I want to change my reservation, will you help me in this?

ASSISTANT: Sure, may I know your good name?

USER: My name is Richard Taylor.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, sorry to say that, no reservation was found with your good name.

USER: No problem. Thank you for your service.

ASSISTANT: Thank you for connecting with us.