You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Actually my IIT conference dates are changed, so that I want to change my existing reservation, can you help me?

ASSISTANT: Yes definitely, please may I Know your name?

USER: Sure, I am Elizabeth Davis.

ASSISTANT: Davis, you got your reservation. Let me know your changed dates to travel.

USER: Ok, my preferable dates are 03/06 to 03/08.

ASSISTANT: Please provide your airport codes.

USER: Sure, my airport codes are from JFK to BOS.

ASSISTANT: You have Hawaiian airlines with 1 connecting flight, you want me to proceed?

USER: Do not proceed, I want 0 connection limit.

ASSISTANT: Ok, don't worry let me check for It.

USER: Sure.

ASSISTANT: Yes, you have direct flight.

USER: Please proceed with the booking.

ASSISTANT: Your reservation has been changed successfully. Your flight number is 1002.

USER: Thank you for your help.

ASSISTANT: Thank you for availing our services.