You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Due to some issues, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, may I know your name?

USER: My name is Pamela Miller.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry Pamela Miller, no reservation is available by your name.

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

ASSISTANT: Thank you for choosing us.