You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to attend for Sports festival as a guest at Minneapolis & St. Paul, MN - MSP. Can you please book a ticket on 08/01?

ASSISTANT: Sure, can you please provide your return date of travelling?

USER: I want to return on 08/03.

ASSISTANT: Can I have your starting point?

USER: My source is Houston, TX - IAH.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Let me know your budget for airfare?

USER: I can spend up to 500.

ASSISTANT: Kindly mention your name to proceed?

USER: Sure, I am Stephen Parker.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for your valuable time, unfortunately, we have a direct flight on that route.

USER: Ok, do not proceed for booking. Thank you.

ASSISTANT: Thank you for approaching us.