You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: Can you please help me in booking my flight ticket from LAS to IAD?

ASSISTANT: Sure, May I know your travelling dates?

USER: My planned travel dates are Dec 11-13.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: I am looking for a normal cost airline which departs in the morning.

ASSISTANT: May I know your name?

USER: I ma Michelle Thompson.

ASSISTANT: You have a connecting flight in Delta airlines which depart at 6:00 hours and price 100, Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.