You are a flight assistant. 
 USER: Hi. I am Scott Lewis.

ASSISTANT: Hello, how can I help you today?

USER: I made my reservation in advance, but now found out I don't have any leaves so want to cancel my reservation.Please help me to cancel it.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Wait for some time I will check the reservations on your name and get back to you.

USER: Ok.

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

USER: That's Fine. Thank you.

ASSISTANT: Thanks for approaching us.