You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Myself Ronald Smith. I would like to meet my friend at New York, will you help me in booking the flight ticket?

ASSISTANT: Ok, on which dates you are willing to travel?

USER: My preferable journey dates are 08/22 and 08/24.

ASSISTANT: Fine, provide your airport codes too.

USER: My origin airport code is IAD and destination airport code is LGA.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: There is a direct flight for you with price 200, would you like me to proceed?

USER: I need a flight with single connection, will you help me with that?

ASSISTANT: Sorry, there is no connecting flight on your route.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thanks for choosing us, have a good day.