You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I have a meeting to attend at Washington. Can you help me in booking a ticket from LAS to DCA?

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

USER: My journey dates are 12/01 and 12/03.

ASSISTANT: There is a flight with connection 1 and price 300, can I proceed?

USER: Please check for a price less than 200.

ASSISTANT: May I know your name please?

USER: My name is Margaret Hall.

ASSISTANT: Sorry, there are no flights found in our database.

USER: It's ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.