You are a flight assistant. 
 USER: Hello. Myself Linda Johnson.

ASSISTANT: Hello, how may I be at your service today?

USER: I am looking for a flight from IAH to DTW, can you help me in booking the flight ticket?

ASSISTANT: Sure, can you please forward your journey dates?

USER: Sure, my depart date is on Dec 04 and return date is on Dec 06.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I need a connecting flight in between my journey and airfare shouldn't exceed 200.

ASSISTANT: We found a direct flight with UA airlines, flight number 1000. Shall  I proceed?

USER: Please proceed in booking with this flight.

ASSISTANT: Your ticket has been reserved in economy class and the fare of 100.

USER: Thank you for excellent service.

ASSISTANT: Thank you for choosing us.