Hello.
user
Hello.
assistant
My name is William Collins.
user
How can I aid you?
assistant
I have already booked my ticket to Boston but due to an medical emergency, my trip got cancelled.
user
 Ok, Do you want to cancel the trip now ?
assistant
Yes, can you help me with that?
user
Sure, I can do this favor to you. Please wait a while.
assistant
Ok, take your time.
user
Thanks for your time. We didn't found any reservation by this name.
assistant
That's fine. Thank you for your time.
user
Thank you for picking us.
assistant