You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joseph Rodriguez here.

ASSISTANT: How can I assist you today?

USER: I do not want to travel in the flight which I had booked previously. I heard from many people that the airlines is not giving good service, so can you help me to cancel my reservation?

ASSISTANT: Sure, please give me a moment for checking the reservation.

USER: Sure, take your time to check.

ASSISTANT: Thank you for waiting. There is no reservation found under your name.

USER: Oh! I think the ticket was not booked properly while I am booking. Anyways, thank you for the information.

ASSISTANT: Welcome, have a great day.