You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am planning to book a flight from PHL to MSP, so please help me in booking a flight.

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are on Sept 18th to 20th.

ASSISTANT: Can I know your name please?

USER: Sure, my name is Mary Adams.

ASSISTANT: Can I know your preferences?

USER: I don't have any preference.

ASSISTANT: Do you need any specifications?

USER: No.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1017.

USER: Thank you.

ASSISTANT: Thank you for reaching us.