You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am Matthew Martin from Minneapolis & St. Paul. Could you please book a flight ticket to Houston as I want to attend a music festival with my friends?

ASSISTANT: Sure, May I know the travel dates?

USER: I want to start on 5th Feb and return back on 7th Feb.

ASSISTANT: Please help me with your journey codes.

USER: My journey airport codes are MSP and HOU.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight in between my journey.

ASSISTANT: Is there any price limit?

USER: I can afford up to 500 for a ticket.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.