You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Larry Wright. I need to book a ticket from Houston on 07/27 with fare of 200. Could you please help me in booking a return ticket on 07/29?

ASSISTANT: Sure, please share me your return date? Kindly assign me your airport codeS?

USER: My airport codes are IAH to MSP.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1018 Spirit airline with single connection and price of 200. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.