You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I abet you?

USER: I would like to change my reservation, please help me with it.

ASSISTANT: Ok. Please, provide your name to check the reservation.

USER: Reservation was done by the name Benjamin Wright.

ASSISTANT: OK, Wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting , there is no reservation found on your name.

USER: Fine, thanks for the information.

ASSISTANT: Thank you for approaching us.