You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Angela Adams here.

ASSISTANT: How may I assist you today?

USER: Due to winter season, I want to go Chicago to see the beautiful locations over there.

ASSISTANT: That's really good.

USER: Please book me a ticket from LAX to ORD.

ASSISTANT: Sure, how long your vacation.

USER: I want to depart on 01/12 and return by 01/14.

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

USER: Yes please.

ASSISTANT: Your ticket has been booked with flight number 1016.

USER: Thank you for booking.

ASSISTANT: Most welcome. Have a safe journey.