You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Robert Edwards. I want to change my existing reservation, as my cousin's wedding has postponed. Can you please help me with this?

ASSISTANT: Sure, I will help you with the change of flight reservation. I found a reservation please tell me your flight details.

USER: My airport codes are LAX to AUS. I planned to travel on 02/25 and 02/27.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your patience. I have found Frontier airlines which flies with one connection.

USER: Ok, please book it.

ASSISTANT: Sure, the flight ticket has been confirmed now.

USER: Thank you for your assistance.

ASSISTANT: Thank you.