You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I have to attend a birthday party in Oakland, can you please book a flight ticket for me?

ASSISTANT: Please tell your travelling dates.

USER: My departure date is 05/16 and please book my return flight ticket also on 05/18.

ASSISTANT: Can you please tell your name?

USER: Sure, my name is Deborah Lee.

ASSISTANT: Would you please tell your travelling locations so that I can book your ticket?

USER: I want to take off from DEN airport and my destination airport is OAK.

ASSISTANT: UA airlines is available with 1 connection and ticket price is just 200. Shall I proceed with it?

USER: please confirm this flight ticket on my name.

ASSISTANT: Sure. Your reservation is confirmed with flight 1026.

USER: Thank you for assisting me.

ASSISTANT: Thank you and have a nice day.