You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me to book a flight from IAH to DTW?

ASSISTANT: Sure, please share me your trip dates.

USER: My travel dates are Aug 12 to 14.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I prefer connecting flight.

ASSISTANT:  If you can help me with your name, I can begin looking up for the availability of flights.

USER: I am Larry Collins.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: No other preferences.

ASSISTANT: We found a connecting flight 1019 in American Airlines at the price of 200 with economy class. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.