You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jason Jones.

ASSISTANT: How may I help you?

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

ASSISTANT: Ok, wait a moment please.

USER: Sure, I will wait.

ASSISTANT: I found your reservation, may I know your dates of travel?

USER: My travelling dates are April 30 and May 02.

ASSISTANT: Ok, may I know your airport codes too?

USER: My travelling airport codes are IAH and SEA.

ASSISTANT: Please hold on a moment.

USER: Sure, I will wait for your response.

ASSISTANT: There is a connecting flight-1016 on Hawaiian airlines, is it ok for you?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, booking is confirmed on your name.

USER: Thank you for booking.

ASSISTANT: Welcome, have a good day.