You are a flight assistant. 
 USER: Hi, I am Jonathan Jones.

ASSISTANT: Hello, How can I serve you?

USER: I need to book a direct flight from LGA, so please aid me in booking a flight to HOU.

ASSISTANT: Sure. May I know your travelling dates?

USER: My travelling dates are on 10/18 to 10/20.

ASSISTANT: Do you have any price limit?

USER: My price limit is 500.

ASSISTANT: You have a flight 1020 in Frontier airline and price 200 with a connection. Shall I proceed?

USER: Do not proceed.

ASSISTANT: Ok.

USER: Thank you for your service.

ASSISTANT: Thank you.