You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what kind of assistance are you looking for?

USER: Can you cancel my reservation? As I need to stay back on my office due to the sudden work assigned by my manager at the journey day.

ASSISTANT: Sure, I can cancel your reservation as you have requested.

USER: Thank you for your consideration.

ASSISTANT: I need to know your name to find your reservation and cancel it as requested so, please mention here?

USER: Sure, I have reserved it on my name Catherine Robinson.

ASSISTANT: Ok, please wait a minute. I will get back to you within a less time.

USER: Ok, Make it in your possible time.

ASSISTANT: We are glad to inform you that we found your reservation and cancelled it successfully.

USER: That's ok, thanks for your assistance.

ASSISTANT: Pleasure is mine to assist you, Thanks for consulting us. Hope you will visit again.