You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please help me to book flight ticket from HOU to ORD?

ASSISTANT: Sure, let me know your travel dates?

USER: My trip dates are Nov 18 and Nov 20.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Is there any other preferences?

USER: I do not have any other preferences.

ASSISTANT: May I know your good name?

USER: I am Daniel Nelson.

ASSISTANT: We found a direct flight 1020 in Delta airline with fare 200 and class is economy. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.