You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: I would like to meet my brother at Houston, please help me to book my flight ticket from ORD to HOU.

ASSISTANT: Sure, could I have your trip dates, please?

USER: Thank you. I will start my journey on Nov 16th and return back on Nov 18th.

ASSISTANT: May I know your good name?

USER: My name is Brenda Smith.

ASSISTANT: Do you have any preferences?

USER: I prefer for a direct flight.

ASSISTANT: We found a direct flight 1028 from Hawaiian airline has fare 100. Shall I proceed?

USER: Sounds good, please book the ticket.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.