You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me with changing my previous reservation?

ASSISTANT: Sure, we are here to help you.

USER: Myself Stephen Nelson.

ASSISTANT: Please wait for a while.

USER: Please check with my booking with this name.

ASSISTANT: We are happy to inform you that, we found a reservation in your name. Please share me your new journey dates?

USER: Oh! That's great to know. My journey dates are from May 8 to May 10.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from MSP to PHX.

ASSISTANT: Do you need any break in your journey?

USER: I need a direct flight.

ASSISTANT: Do you have any other requirements?

USER: I want to return back in morning.

ASSISTANT: To check the availability of flights, can I have your good name please?

USER: I already said my name.

ASSISTANT: Oh, I am sorry for asking again. Sorry to inform you that, there are no flights available with your requirements.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for opting us, have a good day.

USER: You are most welcome.