Hi.
user
Hello. How may I serve you?
assistant
I heard that Staten island ferry is a sightseeing place, as it has a  Harbor.
user
Ok.
assistant
For this I want to book a ticket,  but due to delay in my visa I want to change my reservation. Will you help me in changing my reservation?
user
Sure. Can I have your good name to check your previous reservation?
assistant
I am Thomas Campbell.
user
Please standby.
assistant
Ok.
user
Thank you for waiting, there is no previous reservation available with your name.
assistant
No problem, I will go for another option. Thank you for your service.
user
Thank you for contacting us.
assistant