You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Mary Turner.

ASSISTANT: What type of service you are excepting from us?

USER: Can you please cancel my existing reservation as there is a snow fall I can not move out and make the journey?

ASSISTANT: Sure, I am here to help you.

USER: Thank you for assisting me.

ASSISTANT: Please wait for a minute. Sorry fro the trouble, there is no reservation found on your name in our database.

USER: Ok, not a problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.