You are a flight assistant. 
 USER: Hello. I am Edward Garcia.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Sure, I will help you to change your reservation.

USER: Ok.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I found your reservation, can you please share me your travelling airport codes?

USER: Ok, my location airport codes are from LGA to BOS.

ASSISTANT: Ok, may I know your travelling dates?

USER: My trip dates are from 09/29 till 10/01.

ASSISTANT: May I know your name?

USER: I need a direct flight.

ASSISTANT: Sorry, there is no direct flight is available for you on your route.

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Welcome, have a great day.