You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Please book a ticket with fare 1000 to attend a sports festival.

ASSISTANT: Sure. May I know your travelling dates?

USER: My new travelling dates are from 01/29 to 01/31.

ASSISTANT: Can you share your airport codes?

USER: I want to leave from Las Vegas, LAS to reach Oakland, OAK.

ASSISTANT: May I know your name?

USER: My name is Ryan King.

ASSISTANT: There is a flight 1026 in UA airline and price 100 with a connection.

USER: You can confirm it.

ASSISTANT: Your ticket is done.

USER: Thank you.

ASSISTANT: Thank you.