You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I need to change my recent reservation, can you please help me?

ASSISTANT: Sure, I will help you with that. May I know your name please?

USER: Ok. Myself Andrew Carter.

ASSISTANT: I found a reservation for you, can you please share your preferable journey dates?

USER: My travelling dates are June,01 and June,03.

ASSISTANT: Can you please mention your source and destination airport codes?

USER: My airport codes are JFK and IAD.

ASSISTANT: Do you have any connection limit?

USER: I don't have any specifications, i am comfortable with any service.

ASSISTANT: I found a ticket for you with price of 300, flight number is 1006 in business class and connection is 1.

USER: Please proceed with the reservation.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for changing my reservation.

ASSISTANT: Thank you for reaching us.