You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I have to cancel my reservation due to my planned event got cancelled. So please help me with that.

ASSISTANT: I will help you with that.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Sure, please check the reservation with my name John Thompson.

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

USER: Oh! It may not be booked properly. Anyway, thank you for your time.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Most welcome.