You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Sarah Hill. I need your help to book a ticket.

ASSISTANT: Sure, Sarah may I know your source and destination details?

USER: My  journey dates are 06/13 to 06/17 and airport codes are OAK to ATL.

ASSISTANT: OK, wait for a minute.

USER: Sorry, my returning date is 06/15.

ASSISTANT: Ok, I found a flight-1029 with Hawaiian airlines and the price is 200 can I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.