You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can I know what help do you need from us?

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

ASSISTANT: Sure, I am here to help you with that. Could you please tell me your name?

USER: Michelle Collins here.

ASSISTANT: Ok, I have found your previous reservation. Can you please tell me your preferred airport codes?

USER: I would like to travel on these airport codes MCO and OAK.

ASSISTANT: Ok, on which dates you are willing to travel?

USER: I am travelling on these dates May 25th and 27th.

ASSISTANT: Ok, please tell me your preferred number of connections.

USER: I need single connected flight.

ASSISTANT: Ok, please tell me your other requirements.

USER: I don't have any other requirements.

ASSISTANT: The Delta Airlines is providing the service in this route with the single connecting flight and the ticket cost is 100. Is it ok for you?

USER: Ok, you can proceed.

ASSISTANT: I have changed your previous reservation successfully and confirmed your ticket with the flight-1001.

USER: Thank you for your services.

ASSISTANT: Most welcome. Thank you for choosing us.