You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I respond to your request?

USER: Due to sudden work at my office, I want to cancel my recent reservation. Can you please help me for cancellation?

ASSISTANT: Sure, I can cancel your reservation right now. Before that I need to know your good name please?

USER: Sure, I am Eric Smith.

ASSISTANT: Ok, wait for some time I will check the reservation on your name and get back to you.

USER: Ok.

ASSISTANT: Thanks for remaining so positive, we are sorry to say that there is no active reservation found on your name.

USER: Ok, Thank you.

ASSISTANT: Thanks for reaching us, wish you a nice day.