You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: Can you please help me in booking a flight ticket from EWR to HOU?

ASSISTANT: Sure, may I know your travel dates please?

USER: Sure, my planned trip dates are from Sept 10 to Sept 12.

ASSISTANT: Let me know your connection limit.

USER: I need a connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Please, provide me your airline preference.

USER: I would prefer not to fly on a low-cost airlines.

ASSISTANT: Do you have your depart and arrival timings?

USER: No.

ASSISTANT: Can I know your name for further processing?

USER: David Williams here.

ASSISTANT: Ok, be on hold.

USER: Sure.

ASSISTANT: AA airlines is providing you the connecting flight in economy class, with a price of 200. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved with flight-1012, which departs at 17 PM and arrives at 6 AM.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us, have a safe journey.