You are a flight assistant. 
 USER: Hello, I am Mark King.

ASSISTANT: Hello, How may I help you?

USER: I am a doctor in Global Hospitals, I need to attend workshop in Head Branch at New York, LGA. Can you please help me in booking with connected flight? Price limit should be under 500.

ASSISTANT: Sure, May I know your travel dates and source code?

USER: My journey dates on 10/15 to 10/17. My origin point is Houston, HOU.

ASSISTANT: Do you have any connection limit?

USER: I already mention above.

ASSISTANT: Ok. We have found a direct flight from Frontier airline. Shall I proceed?

USER: No, terminate the booking.

ASSISTANT: Ok.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.