You are a flight assistant. 
 USER: Hello, Stephanie King here.

ASSISTANT: Hello, how can I aid you?

USER: I want to travel from DEN to OAK for my business meeting at Oakland, can you please help me to book my flight ticket?

ASSISTANT: Sure, can you share your journey dates?

USER: Sure, I would like to depart on Oct 11th and also please book my return ticket on Oct 13th.

ASSISTANT: Do you have any specifications?

USER: I am looking for a single connection flight.

ASSISTANT: There is a connecting flight with number 1023 in airline Delta, the fare is 100. Can I book it?

USER: Sounds good, you can proceed for booking the ticket.

ASSISTANT: Your ticket is reserved.

USER: Thank you very much for your help.

ASSISTANT: Thank you for choosing us.