You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Jessica Rodriguez here. I want to change my reservation due to technical problem with my office work, can you help me?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Ok, take your own time and inform my reservation status.

ASSISTANT: I found a reservation for you, can you please share your journey dates?

USER: My dates will be 05/19 to 05/21.

ASSISTANT: May I know your airport codes to proceed further?

USER: I need a direct flight from DCA - AUS. I only need a 0 connection flight.

ASSISTANT: I found a ticket for you with 0 connection, price 100. Is it ok for you?

USER: Ok, please proceed with my booking.

ASSISTANT: I confirmed your ticket successfully with UA airline.

USER: Thank you for helping me out.

ASSISTANT: Thank you.

USER: Most welcome.