You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Brian Johnson.

ASSISTANT: How can I help you?

USER: I want to attend a marriage.can you book a ticket from NY - EWR to MN - MSP?

ASSISTANT: Sure, will you provide your travelling dates?

USER: The departure is on 05/20 and return is on 05/22.

ASSISTANT: As per your request, the flight is available.

USER: Ok.

ASSISTANT: The flight number is 1001 with price 100 and the connections 1. Shall I proceed for booking?

USER: Yes, proceed with the booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.Have a nice day.