You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Elizabeth Anderson. Can you help me in booking the ticket from OAK to AUS?

ASSISTANT: Sure, could your please share your journey dates to search a flight?

USER: My planning dates are from 06/07 to 06/09.

ASSISTANT: May I know your price limit?

USER: My price limit is 5000.

ASSISTANT: I have found a flight-1004 of Southwest airlines, shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: Welcome.