You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Margaret Martin, I want to book a flight to Houston, TX-HOU to visit trade fair, can you book a flight from CA-OAK.

ASSISTANT: Sure, can you please share your journey dates?

USER: I will fly on 12/17 and return on 12/19.

ASSISTANT: Please specify your destination point? Do you need any layby in between journey?

USER: I want a flight with single connection.

ASSISTANT: May I know your budget for ticket fare?

USER: My budget is 1000.

ASSISTANT: We have found a connected flight of AA airline, flight number-1027 and fare is 100.

USER: Please proceed with booking.

ASSISTANT: Sure, your dates has been reserved.

USER: Thank you for helping me now.

ASSISTANT: Thank you for approaching us.