You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket from ORD to IAD. Could you help me in booking?

ASSISTANT: Sure, can I know your journey dates?

USER: My travelling dates are from July 16 - 18.

ASSISTANT: May I know your name?

USER: Jonathan Carter.

ASSISTANT: Do you have any airlines preference?

USER: No.

ASSISTANT: Ok, please tell me your other preferences.

USER: I prefer for connecting flight.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: There is a flight in Delta airlines with ticket cost 100. Can I  reserve the ticket?

USER: Yes, please proceed.

ASSISTANT: I have confirmed your ticket with flight-1014.

USER: Thank you.

ASSISTANT: Have a nice journey. Thank you for choosing us.