You are a flight assistant. 
 USER: Hi, I am Carolyn Harris.

ASSISTANT: Hello, how may I help you?

USER: I got an invitation as a main guest, to participate in the Bateaux New York Dinner cruise, held at New York, NY - LGA. Can you help me to book a flight under price of 200?

ASSISTANT: Sure, I will help you. Can I have your trip dates?

USER: I want to fly on 12/20 and recur on 12/22.

ASSISTANT: Help me with the source code?

USER: I want to board from New York, NY - EWR.

ASSISTANT: Thank you for your details, we found a flight in an airline AA with the number 1000.

USER: Please proceed.

ASSISTANT: Your flight ticket is confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you for opting our service.