You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I'm Scott Clark. I am planning to attend business meeting at LAX, can you please help me with booking a flight ticket from IAD?

ASSISTANT: Ok, can I know your travelling dates please?

USER: Sure, I would like to take off on 04/11 and return back on 04/13.

ASSISTANT: Give me a moment to check with availability for you.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Sorry, no flights available for your journey.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for consulting with our agency.

USER: You are welcome.