You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to flight tickets booking agency.

USER: Actually my Drawing Competition is postponed, so that I want to cancel my recent reservation. Can you help me?

ASSISTANT: Yes, I will help you with that. On which name you have reserved your previous ticket?

USER: Sure, the previous reservation is done under the name of Gregory Taylor.

ASSISTANT: Ok, thank you for the information. Please wait a minute, I will get the status of your previous ticket.

USER: Ok, sure take your own time.

ASSISTANT: Sorry to tell you, I didn't found any reservation on your name.

USER: Thank you for spending your valuable time.

ASSISTANT: That's my pleasure. Have a great day.