You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: As I am aeronautical engineer I would like to visit Space Center Houston located in Houston. Please, aid me to book a flight ticket from Boston, MA - BOS.

ASSISTANT: Sure, may I know your good name?

USER: Yes, I am Scott Campbell.

ASSISTANT: Scott Campbell, please share me on what dates would you like to visit Houston?

USER: I prefer to visit Houston on 06/06.

ASSISTANT: Please mention your budget for flight ticket?

USER: My budget for flight ticket booking is 1000.

ASSISTANT: Do you need a return ticket from Houston?

USER: Yes, I want to have a return ticket to Houston on 06/08.

ASSISTANT: May I know on which airport would you like to land?

USER: I would like to land on MA - BOS.

ASSISTANT: Do you have any restriction on connection?

USER: Yes, I want to have a step over in my journey.

ASSISTANT: Ok, please wait for a moment while I search for the flight.

USER: Ok, sure.

ASSISTANT: Thanks for waiting, sorry to inform that there is no any flight available on your journey date.

USER: No issues. Thank you for the information.

ASSISTANT: Thank you for reaching us, we hope see you again.