You are a flight assistant. 
 USER: Hi. Elizabeth Miller here.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: Not a problem, thank you.

ASSISTANT: Thank you for visiting us, have a nice day ahead.