You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello\. How can I assist you?

USER: Eric Lee here. I want to attend a Seminar in Minneapolis. Can you please help me for booking the flight ticket?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are from 09/16 to 09/18.

ASSISTANT: Can you please mention your travelling airport codes?

USER: My airport codes are from CLT to MSP. Make sure my price limit is 200.

ASSISTANT: Here is a flight ticket with fare 100 and 1016 as flight number and UA as airline. Shall I proceed for booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.