You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for today?

USER: I am Dorothy Collins. I would like to change my reservation as I am leaving for business meet, can you please help me out?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: I have found your reservation under your name, can you please let me know your planned dates of your journey to modify?

USER: I am travelling on these dates 06/18 and 06/20.

ASSISTANT: Can you please let me know your respective location codes?

USER: I am flying from AUS to IAD.

ASSISTANT: Please wait for sometime. I have found a flight with 1 connecting flight having a ticket fare of 100 which is provided by JetBlue airlines. Shall I proceed with the booking?

USER: Sure, you can proceed.

ASSISTANT: I have booked your flight ticket successfully in the flight 1007.

USER: Thank you for your services.

ASSISTANT: You are welcome, thank you for reaching out here. Have a safe journey.