You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

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

ASSISTANT: Sure, may I know your good name?

USER: My booking was done with the name of Matthew Lopez.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: We found a reservation on your name, can you please share your new travel dates?

USER: My new trip dates are from Oct 30 to Nov 1.

ASSISTANT: May I know your journey locations?

USER: Ok, my new airport codes are from DEN to IAD.

ASSISTANT: Please help me with your connection limit.

USER: I need 1 connection flight.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: We found a Hawaiian airline, price is 100 in economy class with one stopover. Shall I proceed?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been confirmed with a flight number 1002.

USER: Thank you for helping me out with booking.

ASSISTANT: Thank you for opting us.