You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: Owing an emergence, I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, may I know on which name reservation is made?

USER: My name is Justin Walker.

ASSISTANT: Please wait for a moment.

USER: OK.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for reaching us.