You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to attend the seminar in NASA space centre in Houston, HOU. So, please book a direct flight.

ASSISTANT: Sure, please provide your journey dates.

USER: Sure. I will start here on 10/20 and recur on 10/22.

ASSISTANT: Ok, may I know your boarding point?

USER: I have to board from Minneapolis, MSP. The price limit can be 200.

ASSISTANT: Thanks for sharing your details.

USER: Ok.

ASSISTANT: Please hold on.

USER: Sure.

ASSISTANT: We found a connecting flight which does not matches your request.

USER: Ok. Thanks for sharing the information. Do not book a ticket.

ASSISTANT: Ok.

USER: Thank You.

ASSISTANT: Thanks for reaching us. Have a nice day. May I know your name, please?

USER: I am Pamela Martinez.

ASSISTANT: Thank you.