You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you today?

USER: I want to attend a board meeting in my office at Oakland, so can you please help me in booking a flight ticket within the fare of 200?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: I want to travel on 02/28 and return on 03/01.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: May I know your source and destination points?

USER: My source is Houston, HOU and destination is Oakland, OAK.

ASSISTANT: Ok. please wait a minute.

USER: Sure.

ASSISTANT: Thank you for your valuable time, sorry, no flights available on that route.

USER: No problem, thank you for the information.

ASSISTANT: Can I have your name?

USER: My name is Michelle Brown.

ASSISTANT: Thank you for availing us.