You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Katherine Nelson here. I would like to book a ticket to Oakland. I was invited for the carnival by my friends.

ASSISTANT: Sure, please share your airport codes.

USER: My genesis and terminus airports codes are DEN and OAK.

ASSISTANT: On which dates you are planning to travel?

USER: My itinerary dates are Sept 14 and Sept 16.

ASSISTANT: Thanks for waiting, we found a flight with your provided information in Delta airline with 1 connection and the fare is 100. Shall I confirm your ticket with this airline?

USER: Sure, make the confirmation.

ASSISTANT: Your ticket is booked.

USER: Thank you very much for your help.

ASSISTANT: Most welcome.