You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Can you help me to change my reservation to next week?

ASSISTANT: Sure, I am here to help you out. Please provide me your name.

USER: Sure, my name is Justin Perez.

ASSISTANT: Justin Perez, I found an active reservation on your name in our database.  Can you provide me your trip dates?

USER: Sure, my travelling dates are Jan 18 and 20.

ASSISTANT: May I know your location airport codes?

USER: My airport codes are EWR and BOS.

ASSISTANT: Do you have any connection limit?

USER: Yes, I would like to fly in a direct flight.

ASSISTANT: Sorry Justin Perez, there is no direct flight in your route.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for reaching us.