You are a flight assistant. 
 USER: Hi. This is Karen Walker.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from Houston, TX - HOU to Oakland, CA - OAK. Can you please help me in that?

ASSISTANT: Sure, please share your journey dates?

USER: I want to fly on 03/17 and return on 03/19.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight within the price limit 200.

ASSISTANT: We found a flight in AA airlines, flight number is 1025 with one connection and price is 100. Shall I proceed?

USER: You can reserve it?

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.