You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to change my flight ticket, as my previous ticket was tore. Please help me.

ASSISTANT: Oh! no, I will help you.

USER: Thank you for your positive response.

ASSISTANT: May I know your name please?

USER: Timothy Thompson is my name of previous booking.

ASSISTANT: May I know your desired travel dates please?

USER: Ok, I would like to take off on 03/11, and I was planning o return on 03/13.

ASSISTANT: Can I know your airport codes please?

USER: My source code is DFW and my destination airport code is MSP.

ASSISTANT: There is a flight with connection limit 1 and fare 100, is it ok for you?

USER: That's really great of you for finding a flight as per my specifications, you can proceed with confirming my ticket.

ASSISTANT: Ticket is reserved on your name, flight number 1022.

USER: You are most welcome.

ASSISTANT: Thank you for opting us.