You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I'm George Gonzalez. I want to visit Walt Disney concert hall at Los Angeles, CA - LAX. Can you please book a ticket with a price limit of 200?

ASSISTANT: When are you planning travel?

USER: I planned to travel on 07/11 and 07/13.

ASSISTANT: Please provide your origin airport code.

USER: I would like to fly from New York, NY - EWR.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait.

ASSISTANT: AA airlines with single connection and price is 100 of 1000 flight. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you.