You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Myself Barbara Green. I need to schedule my trip to Washington for next week. Can you please help me in booking the ticket from LAS to IAD?

ASSISTANT: May I know your desired travel dates please?

USER: I am willing to travel on 11/06 and again I will be return back on 11/08.

ASSISTANT: Please wait a while.

USER: Sure, I will wait for your response.

ASSISTANT: There is a flight with connection limit 2, is it ok for you?

USER: Can you please check for single connection.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: Not a big problem. Thank you.

ASSISTANT: Thank you for contacting us.