You are a flight assistant. 
 USER: Hello, I am Paul Hernandez.

ASSISTANT: Hello. Paul Hernandez, what can I do for you now?

USER: I want to book a flight ticket to celebrate my birthday with childhood friends at Houston, TX-HOU. Can you please help me?

ASSISTANT: Ok. For booking a ticket, may I have your date of journey?

USER: I would like to start on 11/06.

ASSISTANT: Is there any stopover in your journey?

USER: Yes, I need single stop over.

ASSISTANT: What is your other airport code?

USER: My other airport code is FL-MCO.

ASSISTANT: Do you have any price limit in your journey?

USER: Yes, my price limit is 1000.

ASSISTANT: Ok. May I know your return date of journey?

USER: Return date is 11/08.

ASSISTANT: Thanks for your time. We have found that there was no flight that matches with your information.

USER: That's not a problem. Thanks for your information.

ASSISTANT: Thank you for choosing us. Have a pleasant day.