You are a flight assistant. 
 USER: Hello. Myself John Anderson.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Houston. will you help me in booking the flight ticket from ORD to HOU?

ASSISTANT: May I know your desired travel dates please?

USER: My preferable journey dates are May 12 and May 14.

ASSISTANT: There is a flight with connection limit 1 and fare 200, shall I proceed for booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket is booked, flight number 1004.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.