You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, we are gladly here at your service.

USER: My name is Sandra Clark and I want to book a ticket.

ASSISTANT: Sure, Could you please provide your details of journey?

USER: I would like to travel to San Francisco, CA - SFO from Oakland, CA - OAK.

ASSISTANT: May I know your departure and arrival dates?

USER: My journey dates are from Jul 01 to Jul 03.

ASSISTANT: OK, please wait for a while, let me check flight availability and get back to you.

USER: OK.

ASSISTANT: Do you have any preference connections and price limit?

USER: Yes, Can you make sure that the price limit should be 1000 with one connection?

ASSISTANT: we are happy to inform you that a flight have found, details of flight are as follows airline-Southwest airline number-1008 connections-1 and price limit is 100. Would you like me to proceed further?

USER: Sure.

ASSISTANT: OK, your ticket has been reserved.

USER: Thank you for your service.