You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Myself Joseph Edwards. I need to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, I am here to help you, please wait for a minute.

USER: Please take your time.

ASSISTANT: Thanks for your waiting, I could not find any reservation with your name in our database.

USER: That's fine, thank you for searching my details.

ASSISTANT: Thanks for choosing us.