You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation due to my flu, can you help me?

ASSISTANT: Sure, I am glad to help you. Could you please provide your name to check your reservation status?

USER: Sure, my name is Brian Young.

ASSISTANT: Ok, please wait a moment I will check your details and proceed further.

USER: Sure, take your own time.

ASSISTANT: I am happy to say that your reservation is found. Shall I proceed with the cancellation?

USER: Ok, please cancel it.

ASSISTANT: Ok, your cancellation is done successfully.

USER: Thank you for helping me out.

ASSISTANT: You are welcome, have a nice day.

USER: Most welcome.