You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,. How can I render you today?

USER: Please cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, we are here to aid you. Let me know your name for checking your reservation.

USER: I'm Larry Phillips.

ASSISTANT: Ok, Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation found on your name in our database.

USER: Thanks.

ASSISTANT: Thank you for opting us.