You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Andrew Hernandez.

ASSISTANT: Yes, Andrew Hernandez.

USER: I have planned to meet my college friends at get together party at Boston, MA - BOS. Can you please book a ticket with a price limit of 500?

ASSISTANT: Sure, may I know your source airport code?

USER: I planned to board at my nearest airport which is Houston, TX - IAH.

ASSISTANT: Do you want a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please share your schedule dates.

USER: 04/23 is my departure date and 04/25 is my return date.

ASSISTANT: Ok, please give me sometime to check the availability.

USER: Sure.

ASSISTANT: Andrew Hernandez, there is a flight available in flight number 1027 at a price of 200.

USER: It's perfect. Please confirm this.

ASSISTANT: Your seat is reserved in Southwest airline.

USER: Thank you.

ASSISTANT: Thank you for picking us.