You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Robert Thomas here. I want to visit New York, can you please help me to reserve my ticket from DC-IAD to NY-JFK?

ASSISTANT: Sure, may I know your travel dates please?

USER: Ok, my dates of travel is from 04/23 to 04/25.

ASSISTANT: Thanks for waiting. I have found AA airlines which flies with one connection.

USER: Sure, but make that the price is 200.

ASSISTANT: Sure, your flight ticket has been confirmed now.

USER: Thank you for your service in reserving my ticket.

ASSISTANT: Thanks, have a nice journey.