You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Gregory Young, I want to book a flight ticket to visit New York to meet my cousin. Can yo help me to book a connecting flight?

ASSISTANT: Sure, can you help me with your journey dates?

USER: I will fly on 09/21 and return on 09/23.

ASSISTANT: Ok, may I know your source and destination places?

USER: My source point is DC-DCA and destination is NY-LGA.

ASSISTANT: How much you can afford?

USER: My budget is 200 for flight ticket.

ASSISTANT: We found a flight for Jetblue airlines, flight number 1023 with the fare of 200.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.