You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good evening. May I know what service are you expecting from us?

USER: Heard that there is a heavy snowfall in Dallas since few days, I would like to cancel my recent reservation to Dallas. Will you help with this?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Ok, can you please provide on what name you have booked the ticket?

USER: Previously, I have done my reservation with the name of Kimberly Scott.

ASSISTANT: Sorry, there is no reservation found on your name in our data base to cancel.

USER: Ok, no issues. May be something went wrong while I am doing my reservation.

ASSISTANT: Thank you for contacting us.

USER: Anyways, thank you for your quick response.

ASSISTANT: Have a great day.