You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am William Garcia. I want to change my reservation, can you change my reservation please?

ASSISTANT: Sure, please wait a moment I will check the reservation status.

USER: Sure.

ASSISTANT: We are happy to inform you that there is a reservation active with this name, can I know your updated journey dates?

USER: Okay, I want to travel on 04/30 and 05/02.

ASSISTANT: May I know your exact airport attributes?

USER: Airport codes are LAS and AUS.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: We found a Southwest airline matching your details with single connection and the flight number-1009.

USER: Please proceed for booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.