You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Janet King here.

ASSISTANT: How may I assist you at this moment?

USER: I want to travel from LAS to DCA for attending a Marriage. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am oblige to help you.

USER: Thanks.

ASSISTANT: Ok, may I know your departure and return dates of travelling?

USER: My travelling dates are from 02/12 to 02/14.

ASSISTANT: Please wait a moment to check the flights availability in your route.

USER: Ok, make sure my connections limit is 1.

ASSISTANT: Sorry to inform you that, there are no flights moving to your region with your required number of connections.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you contacting us, hope you have a great day.