You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How best can I respond to you?

USER: Can you please help me to cancel my recent reservation?

ASSISTANT:  Sure, may I know your good name?

USER: Myself Anna Phillips.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.