You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Deborah Lewis. Can you make a reservation from IAD to LAX?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are on 11/20 and 11/22.

ASSISTANT: Do you have any connection limit?

USER: I need single connection.

ASSISTANT: Can I know your preferences?

USER: I do not have any other preferences.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: You can proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1016.

USER: Thank you.

ASSISTANT: Thank you for reaching us.