You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I would like to spend some more days with my mother, please help me in changing my existing reservation.

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Please help me with your good name.

USER: My name is Patricia Nelson.

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

USER: My planned travel dates are on June 7 and June 9.

ASSISTANT: May I know your respective airport codes?

USER: My airport codes are DFW and SFO.

ASSISTANT: Do you prefer any lay by in between journey?

USER: Yes, I need a lay by in between my journey.

ASSISTANT: Is there any other specifications for you?

USER: No more specifications.

ASSISTANT: Thanks for providing details, there is a connecting flight found in United Airlines with a fare of 100 and the flight number is 1017. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket is reserved in an economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.