You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to participate in Boston marathon, so please book my ticket from DTW to BOS.

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

USER: My trip dates are May 20 and May 22.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any particular time for departing and returning?

USER: No.

ASSISTANT: May I know your good name please?

USER: Gary Lopez here.

ASSISTANT: We found United airline with economy class and flight number is 1010 with arrival time is 22:00 hours and departure time is 19:00 hours.Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for assisting me.

ASSISTANT: You are welcome.