You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Sure, I will help you but I need your name to change that reservation.

USER: Sure, my name is Margaret Adams.

ASSISTANT: Based on your request, I found a flight to change your reservation. Please provide me your travel dates.

USER: Sure, my travel dates are 08/08 and 08/10.

ASSISTANT: May I know your new travelling airport codes?

USER: My airport codes are SEA and BOS.

ASSISTANT: Frontier airline is providing flight for you with price 100 and connection 1.

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been booked with your name.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe journey.