You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for today?

USER: Jacob Robinson here, I do not want to travel in the flight which I booked previously. I heard from many people that the airlines is not giving good service, can you help me to do some modifications?

ASSISTANT: Yes, I will try for my best.

USER: Thank you.

ASSISTANT: I had found reservation on your name. Can I know your new travelling airport codes?

USER: Ok, My source airport code is PHL and destination airport code is AUS.

ASSISTANT: Ok, could you share your flying dates?

USER: I would like to start on 06/17 and return on 06/19.

ASSISTANT: Hold on for a second, I will revert back to you.

USER: Ok, take your time. Look for the flights having 1 stop.

ASSISTANT: I have got a flight ticket with a fare of 100 and 1 connecting flight. Can I book this ticket for you?

USER: Sure, please proceed.

ASSISTANT: Ok, your ticket is booked Jacob.

USER: Can I get the details of the flight?

ASSISTANT: Flight number is 1008 of JetBlue airlines.

USER: Thank you for booking instantly without any delay.

ASSISTANT: You are most welcome.

USER: I hope JetBlue airlines provide good service.

ASSISTANT: We are happy to serve you anytime.

USER: Ok, thank you.