You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, may I know your name?

USER: Sure, my name is Brenda Green.

ASSISTANT: We found a reservation on your name. Can you please share your travelling dates?

USER: I would like to take off on Oct 26 and return on Oct 28.

ASSISTANT: Let me know your airport codes.

USER: My source airport code is SFO and the destination airport code is BOS.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I am looking for a direct flight.

ASSISTANT: Is there any other specifications?

USER: I prefer economy class.

ASSISTANT: We found an Southwest airline with 0 connection and flight number is 1017. Shall I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you.

USER: You are welcome.