You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you aid me to book a ticket from LGA to LAS?

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: My travel dates are Apr 28 and Apr 30 respectively.

ASSISTANT: Do you need any layover in between  journey?

USER: I am comfortable with any flight.

ASSISTANT: Is there any other specifications regarding your journey?

USER: My depart should be in afternoon timing only.

ASSISTANT: May I know your name for the documentation process?

USER: Justin Lopez here.

ASSISTANT: Here, I found a flight for you with 1 stopover in economy class and it costs you 200. Can I proceed?

USER: Please proceed for booking.

ASSISTANT: Your booking is confirmed and the flight number is 1000 in Frontier airlines.

USER: Thank you for the help.

ASSISTANT: Sorry, your flight number is 1006. Thank you for reaching us.

USER: Oh! its ok you have done your best. Thank you.

ASSISTANT: Welcome.