You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What kind of assistance are you looking for?

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

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 Nicholas Baker.

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

USER: Sure, take your possible time.

ASSISTANT: Sorry for the inconvenience, there is no active reservation find in your name.

USER: May be I have booked some other airline, by the way, thank you so much for your valuable time.

ASSISTANT: You are welcome, thank you so much for choosing us.