You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to do some changes in my existing reservation, can you help me for that?

ASSISTANT: Sure, may I know your name?

USER: My name is Jonathan Lopez.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting, there is a reservation found on your name. Can you please share your travelling dates?

USER: My travelling dates are July 28 and July 30.

ASSISTANT: Please share your airport codes.

USER: My travelling airport codes are AUS and LAS.

ASSISTANT: May I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: We found an Hawaiian airlines with single connection and flight number is 1007. Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.