You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jessica Harris from Los Angeles.

ASSISTANT: How can I assist you?

USER: I would like to visit Las Vegas in 3rd month for attending a business meeting there. Can you please book a flight ticket for me?

ASSISTANT: Sure, I'll help you in that. May I know your travel dates please?

USER: Thank you, I want to take off on 03/13 and please confirm my return ticket also on 03/15.

ASSISTANT: Can you please help me with your airport codes please?

USER: I would like to fly from LAX and destination airport is LAS.

ASSISTANT: Ok, please wait for a moment while I'll check for the flights availability on that route.

USER: Ok.

ASSISTANT: Spirit airlines is having a flight on that route with travel charge of 200, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with flight-1008, have a safe journey.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.