You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I would like to celebrate my birthday at New York, please help me in booking a ticket from DCA to JFK.

ASSISTANT: Sure, I am happy to help you with that. May I know your planned trip dates?

USER: My planned trip dates are 04/17 and 04/19.

ASSISTANT: Ok, wait for a minute.

USER: Sure, take your time.

ASSISTANT: Based on your travelling dates. I have found a flight with the AA airlines having a connection limit 1. Can I proceed?

USER: Ok, please book my ticket.

ASSISTANT: Yes, your ticket is reserved with flight number 1000.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for consulting us. Have a nice journey.