You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I had booked a plane ticket but due to some office work I am unable to travel the trip, can your cancel my previous booking?

ASSISTANT: Sure, may I know your name?

USER: Sure, my name is Larry Carter.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Ok, that's fine, no issues with that one. Thank you for your help.

ASSISTANT: Thank you for opting us.