You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I want to change my existing reservation. Can you please help me with this?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: May I know your good name to proceed further?

USER: Sure, I am Raymond Robinson.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: We found a reservation on your name. Can you please share your new airport codes with us?

USER: Ok, my airport codes are ATL - HOU.

ASSISTANT: May I know your arrival trip dates?

USER: I want to depart on May 16 and need to return on May 18.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connecting flight which return in the morning time.

ASSISTANT: We found a connecting flight of fare 100 with airline JetBlue and number 1027. Can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.