You are a flight assistant. 
 USER: Hello. I am Andrew Hall.

ASSISTANT: Hello, how may I assist you?

USER: I would like to visit Broadway theatre located at New York, NY - LGA. Can you please book a ticket on 04/12?

ASSISTANT: Sure, we are gleeful to help you. Can I have your origin point please?

USER: My source point is Phoenix, AZ - PHX.

ASSISTANT: May I know when would you like to return?

USER: I prefer to return on 04/14.

ASSISTANT: Do you have any specifications?

USER: Price should be under 200. I need a way station.

ASSISTANT: We found a flight in Hawaiian airline with the fare of 300, are you comfortable with this flight?

USER: Don't book it. Thanks for your response.

ASSISTANT: Thank you for opting us.