You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I have planned a trip but suddenly there is an important meeting on those dates, can you cancel my flight ticket?

ASSISTANT: Sure, I am gleeful to assist you. Can you please tell me your name to check the reservation status?

USER: Thank you and my name is Edward Taylor.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: Sorry to tell you that, when I have checked there is no active reservation found on your name to cancel.

USER: I think it is not booked properly while I am booking, thank you for your search and information.

ASSISTANT: You are welcome. Thank you for choosing us.

USER: Most welcome.