You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Young.

ASSISTANT: Young, how can I help you?

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

ASSISTANT: Sure, I am happy to help you. Please wait, I will check your reservation status and let you know.

USER: Thank you. Take your time to check.

ASSISTANT: Sorry Young, I have not found any reservation under your name in our database.

USER: Oh! It may not be booked properly due to some technical issues while booking. Thank you for your valuable time.

ASSISTANT: You are most welcome and thank you for approaching us.

USER: Most  welcome.