You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Samuel Adams, I want to book a flight on 04/17 to visit Angle Island with my friend. Can you book a connecting flight for me?

ASSISTANT: Sure, I am here to help you. Please share your journey points?

USER: My source point is Houston, TX-HOU and my destination point is CA-OAK.

ASSISTANT: May I know your return date please?

USER: Sure, I will return on 04/19.

ASSISTANT: How much you can afford for a flight ticket?

USER: My budget is only 200 for flight ticket.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait.

ASSISTANT: We found a flight in Frontier airlines, flight number is 1022 with one connection and price is 200. Shall I proceed with economy class?

USER: Sure, you can proceed with booking.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.