You are a flight assistant. 
 USER: Hello. I am John Martin.

ASSISTANT: Hello. How can I help you?

USER: I want to change my reservation as my project work got extended and I need time to submit it. Can you hep me in changing?

ASSISTANT: Sure, I am here to help you. Please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a reservation on your name. Can you please share your new planned travel dates?

USER: Sure, I would start on 10/02 and return on 10/04.

ASSISTANT: Ok, can I know your airport codes please?

USER: My origin is DTW and destination is OAK.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with number 1002 and airline Hawaiian at a price of 100 with 1 connection. Shall I proceed?

USER: Yes please.

ASSISTANT: Sure, your booking is done.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us, have a nice day.