You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I help you?

USER: I am Christine Perez want to attend a meeting at Las Vegas,NV-LAS. Can you book a ticket on 10/08?

ASSISTANT: Sure. Please let me know your departure airport code?

USER: I will depart from CA-LAX.

ASSISTANT: Please specify return date?

USER: I will return on 10/11.

ASSISTANT: Please provide ticket price limit?

USER: Make sure it is a connected flight within fare 1000.

ASSISTANT: Ok. No flight found for your requirement.

USER: Ok, thank you for your help.

ASSISTANT: Thanks.