You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Please book a ticket to Houston, HOU from Minneapolis & St. Paul, MSP.

ASSISTANT: Sure, may I know when will you able to travel Minneapolis & St.Paul and return to Houston?

USER: I want to start on 10/25 and return on 10/27.

ASSISTANT: Ok, how much you can spend on airfare?

USER: I can spend upto 200.

ASSISTANT: Do you need any stop over in between the journey?

USER: Yes, I need a stopover.

ASSISTANT: There are no flights found on your requested dates.

USER: No problem, thank you for the information.

ASSISTANT: Can I have your good name please?

USER: My name is Samuel Miller.

ASSISTANT: Thank you for availing us.