You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Joshua Lewis. Can you please change my recent reservation?

ASSISTANT: We have found your reservation. Will you please provide me your airport codes?

USER: My new travelling airport codes are EWR to SEA. My travelling dates are 02/18 and 02/20.

ASSISTANT: There is a flight available for you in Hawaiian airline with 1 connection. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.