You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Jessica Mitchell here. I want to meet my business partner to discuss about some issues in our casino, could you book my flight ticket?

ASSISTANT: Sure, May I know your class preference?

USER: I am comfortable in any class.

ASSISTANT: Ok, please provide your journey airport codes.

USER: My genesis and terminus airport codes are LGA and LAS.

ASSISTANT: Ok, Kindly mention your travelling dates.

USER: My itinerary dates are Nov 23 and Nov 25.

ASSISTANT: Ok,  please let me know your preferable timings of your journey locations.

USER: I want to return in the afternoon.

ASSISTANT: Ok, please standby.

USER: I need a connecting flight.

ASSISTANT: Ok. Thank you for your patience, There is a flight found in 1011 Spirit Airlines with a fare of 500.

USER: Please book my ticket.

ASSISTANT: Sure, your ticket has been reserved and depart time is 20:00PM and return time is 17:00PM.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us.