You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: I recently reserved a ticket to give a visit to my best friend. But, before my journey he came to my home and gave me a surprise visit. So, now I want that ticket to be cancelled. Can you please help me in that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: I need your good name to check the reservation.

USER: My name is Joseph Baker.

ASSISTANT: Give me a minute, I will let you know the reservation status.

USER: Sure.

ASSISTANT: Thanks for giving your valuable time. There is no reservation found on your name.

USER: Ok, Not a problem here.

ASSISTANT: Thank you for approaching us.

USER: Thanks for your information.