You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jennifer Green.

ASSISTANT: How may I assist you?

USER: I need to cancel my recent reservation, can you please help me out?

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

USER: Please take your own 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 the details.

ASSISTANT: Thanks for choosing us.Have a great day.

USER: You are welcome.