You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Karen Wilson here.

ASSISTANT: Ok.

USER: I just want to reach LGA to conduct a survey , can you help me in reserving my flight from OAK?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Sure, my planned travel dates are Sep 10th and 12th.

ASSISTANT: Do you have any specifications?

USER: I need a single connecting flight.

ASSISTANT: Do you have any preferences?

USER: My depart time must be in the afternoon.

ASSISTANT: Do you have any other preferences?

USER: No, I don't have any more.

ASSISTANT: Please give me a moment.

USER: Ok, sure. I will wait for your response.

ASSISTANT: Thanks for waiting. The UA airline is providing an economy class flight with price 200 and the connections 1. The departure time is 12:00 PM. Shall I confirm your ticket?

USER: Yes, please confirm it.

ASSISTANT: Your ticket is booked. The flight number is 1023.

USER: Thank you for the help.

ASSISTANT: Welcome, have a great day.