You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I have made a reservation earlier to attend a business meeting with my shareholders but due to some issues it got postponed, Can you help me in changing my reservation?

ASSISTANT: Sure, may I know your name please?

USER: I am Jonathan Baker.

ASSISTANT: We found a reservation in your name, can you share me your new journey dates?

USER: My journey dates are Jan 26 and Jan 28.

ASSISTANT: Where you need to catch the flight and land?

USER: My airport codes are OAK and DTW.

ASSISTANT: Do you need any way station in your journey?

USER: Yes, I need a way station.

ASSISTANT: Is there any specific time to travel?

USER: No.

ASSISTANT: Would you like to travel in business or economy class?

USER: I am comfortable with any class.

ASSISTANT: May I know your airline preference?

USER: No, I do not have any airline preference.

ASSISTANT: There is a connecting flight with fare of 100 and 1000 flight number. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your seat has been reserved with Southwest Airlines in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.