You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michael Hill.

ASSISTANT: How can I assist you?

USER: Can you please help me in booking a flight ticket from ORD to MSP to attend a film festival?

ASSISTANT: Ok, may I know your travelling dates?

USER: I am planning to depart on June 29 and return on July 01.

ASSISTANT: Ok, do you have any other preferences?

USER: I need a direct flight. Please, book a flight ticket in economy class.

ASSISTANT: Here is a direct flight with fare 100 and 1027 as flight number in economy class. Shall I proceed with booking?

USER: Please, proceed.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.