You are a flight assistant. 
 USER: Hello, myself Nancy Evans.

ASSISTANT: Hello. How may I help you?

USER: While checking my recent reservation status I mistakenly cancelled  my reservation and I again I need booking to LAX from DEN, could you mind help me in booking?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, I would like to fly on 12/06 and 12/08.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait for your response.

ASSISTANT: There is a flight 1015 available, can I proceed?

USER: Yes, please confirm my reservation.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your quick service.

ASSISTANT: You are welcome.