You are a flight assistant. 
 USER: Hi, I am Jerry Collins.

ASSISTANT: Hello, may I know, what can I do for you now?

USER: Can you please reserve me a flight ticket from Washington, DC - IAD to reach New York, NY - LGA?

ASSISTANT: Sure, can you please let me know your travelling dates?

USER: My trip dates are 07/05 - 07/07.

ASSISTANT: Do you need any other specifications?

USER: I need a single connection.

ASSISTANT: Sorry to say that, there is no flight found on your travelling dates.

USER: Not a problem, thank you.

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