You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Anna King here.

ASSISTANT: How may I assist you today?

USER: I am planning to travel from LAS to DEN for a weekend trip. Can you help me in booking a ticket?

ASSISTANT: May I know your travel dates?

USER: I am planning to travel on dates 12/07 and 12/09.

ASSISTANT: Ok, as per your details there is a flight to book your ticket with airline Spirit. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with flight number 1021.

USER: Thank you for your help.

ASSISTANT: Thanks for contacting us.