You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Betty Johnson.

ASSISTANT: How can I assist you today?

USER: I want to book a ticket from HOU to ORD to attend seminar, can you help me in booking?

ASSISTANT: Sure, I would like to know your travelling dates, for a booking a flight ticket?

USER: I am departing on 04/27 and return on 04/29.

ASSISTANT: The flight is available with airfare 200 and flight number is 1017.

USER: Please proceed for booking.

ASSISTANT: your ticket is confirmed. Have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for connecting with our service .