You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please book a flight ticket from SFO to ORD?

ASSISTANT: Sure, may I know the planned travel dates?

USER: Sure, I have planned my travel  dates as Apr 20 and Apr 22.

ASSISTANT: Please provide me the specifications.

USER: I am looking for single connecting flight.

ASSISTANT: May I know the name?

USER: Sure, myself Rebecca Wright.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 200. Shall I proceed with booking?

USER: That is fine, please proceed with booking.

ASSISTANT: In a business class, your ticket has been confirmed for the flight 1000 in Frontier Airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.