You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Gary Roberts.

ASSISTANT: Ok.

USER: I have to attend a Music Concert at Charlotte, could you please help me with booking a flight ticket?

ASSISTANT: Ok, may I know your travelling dates?

USER: I would like to take off on 02/17 and return on 02/19.

ASSISTANT: Please tell me your trip codes?

USER: My source airport code is MSP and destination airport code is CLT.

ASSISTANT: Sorry, I did not find any flight in your route to reserve your ticket in your name.

USER: That's ok, I will find an another alternate way to complete my trip.

ASSISTANT: Thank you for reaching us.

USER: Anyways, thank you for the information.