You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help do you need from us?

USER: I want to cancel my recent booking due to family issues that I am unable to travel the trip which I have planned. Can you please cancel my recent booking?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: I need some information to check your reservation, can you please tell me your name?

USER: Sure, I have done my previous booking on my name Jason Wilson.

ASSISTANT: Ok, please allow me a few seconds to check your reservation.

USER: Sure, take your own time.

ASSISTANT: Sorry Jason, I didn't found any reservation on your name to cancel. I think it might  not confirmed before.

USER: Ok, that's fine, no issues with that one.

ASSISTANT: Ok, thank you for choosing us and hope you will reach us in future.

USER: Thank you for your great service and immediate response in helping.

ASSISTANT: It's my pleasure.