You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Raymond Allen? I need to book a flight ticket from DC-DCA to NY-LGA.

ASSISTANT: Ok, may I know your travelling dates/.

USER: My departure date on 11/25 to arrival on 11/27.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need single connection with price limit 5000.

ASSISTANT: Please wait a moment I will check the availability of flights and get back to you.

USER: Ok.

ASSISTANT: We found a flight with single connection of 1011 flight and price is 100 with single connection. Shall I proceed for booking?

USER: Yes proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your information.

ASSISTANT: Thank you, have a safe journey.