You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How may I serve you?

USER: I am Patrick Scott. I need to book my flight ticket to New York, EWR to attend an auto show.

ASSISTANT: Sure, do you have any price limit?

USER: 5000 is the budget.

ASSISTANT: Help me with the source code?

USER: Las Vegas, LAS is my boarding airport.

ASSISTANT: When would you like to travel?

USER: 07/12 - 07/14 are my dates of travel.

ASSISTANT: Thank you for your details, we a direct flight to your destination. Shall I proceed to book?

USER: I need connecting flight. Do not proceed.

ASSISTANT: Ok.

USER: Thank you for sharing information.

ASSISTANT: Thank you for reaching us.