You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Due to inconvenience of my work, I want to change my reservation. Can you please help me for that?

ASSISTANT: Sure. Tell me your name please?

USER: My name is Debra Mitchell.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: I found your flight reservation. Please tell me travel dates?

USER: My travelling dates are July 31 and Aug 02.

ASSISTANT: Your airport codes please?

USER: My airport codes are JFK and BOS.

ASSISTANT: Are you looking for a stopover in your journey?

USER: I prefer direct flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for your patience. I have found south west airlines which is a direct flight.

USER: Please proceed for booking the flight ticket.

ASSISTANT: Yes, I have confirmed your flight ticket in flight number 1026.

USER: Thanks for helping me.

ASSISTANT: Thank you.