You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I planned to meet my friend in HOU, can you please help me to book a flight ticket from DTW?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I prefer to travel on Aug 12 and Aug 14.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Frank Hill.

ASSISTANT: We found an AA airline, flight number: 1007, price: 200, it is a direct flight.

USER: Ok, please confirm my booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.