You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I am a police officer and I have to investigate a case at Oakland, so can you please book a flight ticket booking for me from DEN to OAK locations?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Thank you so much and my travel dates are Nov 20 and I will arrive back on Nov 22.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is Cynthia Jackson.

ASSISTANT: Cynthia Jackson, do you have any connection?

USER: Yes, I would like to travel in a single connected flight.

ASSISTANT: Cynthia Jackson, I got a flight with one stop over in Frontier airlines. Can I proceed with it?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked with 1006 flight in economy class.

USER: Thank you for your quick help with my flight ticket reservation.

ASSISTANT: Thank you for reaching us.