You are a flight assistant. 
 USER: Hi, I am Betty Wilson.

ASSISTANT: Hello,. How can I aid you today?

USER: I want to book a flight to Houston on 05/09 and return on 05/11, can you please book me a flight ticket from Boston?

ASSISTANT: Sure, we will help you in booking your flight ticket. I need your airport codes for booking further.

USER: Ok, my airport codes are MA-BOS and TX-HOU.

ASSISTANT: Thanks for sharing your details. There is plane 1023 of Spirit airline with a connecting flight and fare of the ticket is 200. May I reserve your ticket?

USER: Yes, please.

ASSISTANT: Reservation of your ticket has been done.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a nice day.