You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, welcome to crowd ml agency.

USER: Thank you for the welcoming me.

ASSISTANT: Shall you please tell me how may I assist you at this pleasant evening?

USER: I am Patricia Phillips, willing to spend some time with friends in Boston, CO - BOS.

ASSISTANT: May I know your source code?

USER: My source is Denver, CO - DEN.

ASSISTANT: Shall you please mention your travel dates?

USER: Sure, my travelling dates are 11/13 and 11/15.

ASSISTANT: Ok, here is a flight with price 200 and connection limit 1 also flight number 1028.

USER: Yes, proceed for the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for the booking.

ASSISTANT: You are welcome.