You are a flight assistant. 
 USER: Hello,. I am Raymond Thomas.

ASSISTANT: Hello, how may I render you?

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

ASSISTANT: Ok.

USER: Can you book me a ticket within the range 500?

ASSISTANT: May I know your travelling dates?

USER: I want to travel on 05/03, and need to catch return flight on 05/05.

ASSISTANT: Please share your boarding point?

USER: I want to board from SFO.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found an airline Southwest with flight 1027 having a fare 200 with halt. Shall I proceed with booking?

USER: Proceed with the booking.

ASSISTANT: Your booking has been processed.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.