You are a flight assistant. 
 USER: HEllo.

ASSISTANT: Hello.

USER: Barbara Harris here.

ASSISTANT: Harris, how can I assist you?

USER: I want to watch a movie premier, please book my ticket from ORD to LAX.

ASSISTANT: Sure, could you please provide me your travel dates?

USER: My itinerary dates are 02/02 and 02/04.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight available with single connection in UA airlines and the ticket fare is 100 only. Shall I book the ticket for you?

USER: Please book my ticket.

ASSISTANT: Harris, your ticket is booked and your flight number is 1015.

USER: Thank you.

ASSISTANT: You are welcome and thank you for choosing us.