You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, is there any help looking from my side?

USER: Yes, I need to cancel my reservation, as my friends have already booked my ticket in another flight along with theirs, I was not aware of this thing, can you please cancel the ticket for me?

ASSISTANT: Sure, I am happy to help. Please wait for a while to check it.

USER: Thank you. Ok, take your time.

ASSISTANT: May I know your name to find the ticket in my data sheet?

USER: Sure, my name is Matthew Garcia.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. Ok Garcia, your reservation has found and cancelled successfully.

USER: Thank you so much for cancelling my reservation.

ASSISTANT: Thank you for choosing us.