You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: I am Mary Martinez. I need to book a flight ticket from LAS to PHX, can you please help me for booking?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: May I know your depart date?

USER: My departure date is 10/28.

ASSISTANT: How much should be your ticket price?

USER: I can pay up to 200.

ASSISTANT: When you have planned to catch the return flight?

USER: I would like to return on 10/30.

ASSISTANT: Thank you for sharing the details, wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your time, there is a connecting flight of Spirit airline available with fare 100.

USER: Ok, proceed for booking.

ASSISTANT: May I proceed further with booking?

USER: Ok.

ASSISTANT: Ok, your ticket has been confirmed with flight number 1004.

USER: Thanks for your information.

ASSISTANT: Thank you for opting us.