You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I help you today?

USER: I am Gregory Lopez. I would like to make a trip to New York, NY - EWR to participate in Brooklyn walking tour.

ASSISTANT: Sure.

USER: Can you book me a ticket within the range 1000?

ASSISTANT: On what dates you have planned your journey?

USER: I want to travel on 12/22, and need to catch return flight on 12/24.

ASSISTANT: Help me with your boarding point?

USER: Source is from BOS.

ASSISTANT: I found a flight in Southwest airline with flight number 1021 with one connection. Shall I proceed?

USER: Procced.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.