You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Lisa Baker.

ASSISTANT: How can I aid you?

USER: I would like to change my reservation as I am leaving for delegates meet, can you please help me out?

ASSISTANT: Sure, I am here to do that.

USER: Thank you.

ASSISTANT: I found a reservation on your name.

USER: Ok.

ASSISTANT: May I know your airport codes please?

USER: I am travelling on these airport codes OAK and ATL.

ASSISTANT: Let me know about your travelling dates.

USER: My departure and arrival dates are May 16th and 18th.

ASSISTANT: Do you have any connection limit?

USER: No, I don't have.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Delta airline is providing a ticket with a fare of 100 and with a single connection, shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been confirmed with the flight-1010.

USER: Thank you for your services.

ASSISTANT: Thanks for reaching us, have a happy journey.