Hello, I am Karen Roberts.
user
Hello. How can I help you?
assistant
I want to cancel my trip due to an emergency. Can you aid me in cancelling my  ticket?
user
Sure, I will help you to cancel your reservation.
assistant
Take your time.
user
Please give me a moment.
assistant
Ok.
user
I found your reservation and it is successfully cancelled.
assistant
Thank you for the support.
user
Welcome, have a nice day.
assistant
You are welcome.
user