You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Anna Lee here.

ASSISTANT: How may I assist you?

USER: I want to book a flight from LAX - ORD, can you help me?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My journey dates are from 10/17 to 10/19.

ASSISTANT: Please hold on a moment.

USER: Ok, please be quick.

ASSISTANT: I found a flight for you in UA airlines with fare 100. Can I book your ticket?

USER: Ok, book it.

ASSISTANT: Ok, your booking is confirmed with flight number 1022.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.

USER: Welcome.