You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am a police officer and I have to attend a meeting, can you please book a flight ticket for me from DEN to SFO locations?

ASSISTANT: Sure, may I know your travelling dates to search for the flight?

USER: Thank you and I would like to take off on Feb 5 and I will arrive back on Feb 7.

ASSISTANT: Can I your connection limit?

USER: I need a single drop off flight for my journey.

ASSISTANT: Do you have any requirements?

USER: I would like to return back in the afternoon time.

ASSISTANT: May I know your name?

USER: My name is Rebecca Rodriguez.

ASSISTANT: There is a connecting flight 1028 of United airlines, can I proceed?

USER: Yes, you can proceed with booking.

ASSISTANT: Your booking is done in economy class.

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

ASSISTANT: Welcome.