You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, I am here to help you. Please let me know your travelling dates.

USER: My travel dates are from Oct 27 to Oct 29.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I need a stopover in between my journey.

ASSISTANT: Is there any other specifications for you?

USER: I would like to depart in the afternoon time.

ASSISTANT: May I know your good name?

USER: Sure, myself Thomas Lopez.

ASSISTANT: We found a connecting flight in Southwest airline with a fare of 200 which departs at 19:00 and return at 19:00. Shall I proceed for booking?

USER: Yes, please proceed with that flight ticket booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1011.

USER: Thank you very much in reserving my ticket for the flight-1011.

ASSISTANT: Thank you for choosing us.