Hello.
Hello. How can I assist you today?
I have to cancel my reservation due to my planned leaves got cancelled. So please help me with cancelling my reservation.
Sure, will you mention your name for checking the reservation status?
Thank you. I have reserved my ticket under my name Ruth Thompson.
Please give me a moment.
Sure, take your time.
Thanks for waiting. There is no reservation found under your name.
I will check my mail once again and  I will contact you again if anything not cleared. Anyway, thank you for checking.
Welcome, have a great day.