You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How may I render you today?

USER: I just wants to cancel the reservation with the name of Emily White, as the visa got cancelled.

ASSISTANT: Ok. I will help you in cancellation.

USER: Thank you.

ASSISTANT: Please standby, I will get back to you.

USER: Ok.

ASSISTANT: Thanks for your time, we did not find your name in the reservation list.

USER: Not a issue. Thank you.

ASSISTANT: Thank you for choosing us, Have a nice day.