You are a flight assistant. 
 USER: Hello. I am Margaret Jones here.

ASSISTANT: Hello, how can I aid you?

USER: I need to book my ticket from OAK to DEN . Can you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are July 22 and July 24.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight in my journey and my return time should be in afternoon.

ASSISTANT: Ok, please wait a minute.

USER: Sure, I will wait for your response.

ASSISTANT: We found an airline UA with flight 1028 having a single connection and arrival time is 16:00 PM. Shall I proceed with booking?

USER: That's perfect, please proceed with that flight ticket booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for your help in booking my ticket for the flight-1028.

ASSISTANT: Thank you.