You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, I am here to help you. May I know your name?

USER: I am Elizabeth Campbell.

ASSISTANT: Thank you. Please stay online for a while.

USER: Sure.

ASSISTANT: I found your reservation and cancelled it successfully.

USER: Thank you for your help.

ASSISTANT: You are most welcome.