You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Carol Hall.

ASSISTANT: How can I assist you today?

USER: Can you help me in booking a flight ticket from OAK to ORD?

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

USER: I want to travel on 01/25, and need to catch return flight on 01/27.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket?

USER: Proceed with the booking.

ASSISTANT: Your ticket is booked. The flight number is 1015.

USER: Thanks for the help.

ASSISTANT: Welcome, have a great day.