You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to visit Lake Merritt at Oakland, could you please help me with booking a flight ticket from DTW to OAK?

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

USER: I would like to depart on July 2nd and return on July 4th.

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

USER: I am looking for a connecting flight.

ASSISTANT: May I know your good name please?

USER: I am Jerry Nelson.

ASSISTANT: We found Frontier airline with economy class and flight number is 1000 with arrival time is 15:00 hours and depart time is 16:00 hours.Shall I proceed for booking?

USER: Please confirm the booking.

ASSISTANT: Your ticket is booked.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome.