You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I help you?

USER: I am Karen Hill.

ASSISTANT: Ok.

USER: I want to meet my cousin at San Francisco, SFO. Can you please book a ticket for me?

ASSISTANT: Sure. Please mention your travel dates?

USER: Travelling dates are 03/14 to 03/16.

ASSISTANT: Please provide boarding airport code?

USER: Source code is Atlanta, ATL.

ASSISTANT: Ticket is available with flight connections 1 for price 100.

USER: You can proceed.

ASSISTANT: Airline is UA having flight number 1007.

USER: Thank you.

ASSISTANT: Ticket is booked. Thanks.