You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: My name is Richard Martinez and I want to change my reservation. Can you please help me?

ASSISTANT: Sure, please allow me a moment.

USER: Please take your time.

ASSISTANT: I have found your reservation, can you please tell me your location airport codes?

USER: My airport codes are SEA and LAX.

ASSISTANT: Ok, when would you like to travel?

USER: My travel dates are 09/07 and 09/09.

ASSISTANT: The economy class with flight number 1016 of Delta airline is available having connection as 1, is it ok for you?

USER: Ok. Please proceed.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for your service.

ASSISTANT: You are welcome, have a great day.