You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: I need to travel from DTW to IAH, can you help me?

ASSISTANT: Sure, I will help you with that. May I know your planned travel dates?

USER: My travel dates are 12/25 and 12/27.

ASSISTANT: Which class do you prefer either economy or business?

USER: I need a economy class.

ASSISTANT: Do you have any airline preference?

USER: I am ok with any airlines.

ASSISTANT: Is there any other requirements regarding your journey?

USER: I need a connecting flight.

ASSISTANT: May I know your name please?

USER: I am John Green.

ASSISTANT: Hawaiian Airlines are providing a flight-1009 with single connection limit and the ticket fare is 1000 Shall I proceed with booking?

USER: Yes, proceed.

ASSISTANT: John Green, your booking has been done in economy class.

USER: Thank you for that.

ASSISTANT: Most welcome, thank you for reaching us. Have a safe journey.