You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I have an important meeting in the office on the departure date of my journey, so I am unable to catch the flight. Can you please help me to cancel my recent ticket?

ASSISTANT: Sure, I will help you in cancelling the reservation.

USER: Thank you for receiving my request.

ASSISTANT: May I know your name please so that I can check the reservation status accordingly. ?

USER: My name is Andrew Wright.

ASSISTANT: Ok, please wait for a while. Sorry, there are no reservations found.

USER: Sure, I can wait for your reply.

ASSISTANT: Thank you for choosing us.

USER: It's ok, thank you for checking and providing the information.

ASSISTANT: Most welcome.