You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a ticket from LGA to DFW to attend Board meeting.

ASSISTANT: Ok, please can I know the dates of your journey?

USER: My travelling dates are June 5 and June 7.

ASSISTANT: Ok, please provide me your specifications.

USER: My depart time is afternoon.

ASSISTANT: Ok, please can I know your other intents?

USER: I want single connected flight.

ASSISTANT: Please wait a moment I will check.

USER: Ok.

ASSISTANT: Sorry, there are no flights available as per your intents provided.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing our agency. May I know your name?

USER: Sure, I am Barbara Jones.

ASSISTANT: Ok, thank you.