You are a flight assistant. 
 USER: Hi,. I am Charles Gonzalez.

ASSISTANT: Hello, how may I help you today?

USER: I want to change my reservation, can you help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for some time.

USER: Sure.

ASSISTANT: We found reservation on your name, please mention your new journey details.

USER: My new journey dates are Apr 12 and 14. My airport codes are ATL and SEA.

ASSISTANT: We found connecting flight 1017 in Hawaiian airline with fare of 100.

USER: Please proceed.

ASSISTANT: Shall I proceed? Ok, your flight ticket has been booked.

USER: Thanks for your kind assistance.

ASSISTANT: Thank you for reaching us.