You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Benjamin Harris, can you help to cancel my travel ticket which I did recently?

ASSISTANT: Ok, can you please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting, here there is no reservation found under your name in our database.

USER: That's ok, thank you for the reservation.

ASSISTANT: Thank you for reaching us.