You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I help you today?

USER: I am Alexander Mitchell, I want to cancel my recent reservation. Can you help me with this?

ASSISTANT: Ok, please wait for a moment to cancel your reservation.

USER: Sure.

ASSISTANT: Thanks for waiting. No reservation found with your name to cancel the reservation.

USER: Thanks for your kind response.

ASSISTANT: Thanks for choosing us, have a nice day.