You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Myself Alexander Phillips, Can you help me to cancel my existing reservation?

ASSISTANT: Sure, please wait for a minute.

USER: Ok, please take your own time.

ASSISTANT: I could not find any reservation with your name.

USER: Ok, not a problem. Thank you for assisting me.

ASSISTANT: My pleasure.