You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: May I know your name please? My name is Debra Carter, I want to book a ticket.

ASSISTANT: Ok, please provide your source and destination airport codes.

USER: The airport codes are from IL-ORD to NY-LGA.

ASSISTANT: Will you provide your travelling dates?

USER: My travelling dates are from 09/09 to 09/11.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: As per your request the flight is available.The flight number is 1007 with price 100 and the connections 0. Shall I proceed for booking?

USER: Yes, proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.Have a nice day.