You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Pamela Lopez. I want to book a flight ticket to attend my Granny's sister funeral. Will you help me in flight booking?

ASSISTANT: Sure, could you please share your scheduled planned dates?

USER: Sure, my departure is 01/08 and my return date on 01/10.

ASSISTANT: Please specify your preference connections and price limit?

USER: I need a direct flight and my price limit is 200.

ASSISTANT: Ok, may I know your airport codes to proceed further?

USER: Sure, my origin from MN - MSP and my destination is TX - HOU.

ASSISTANT: Ok, please hold on, let me check with the airlines and revert to you.

USER: Sure.

ASSISTANT: Thanks for your valuable time, sorry, unfortunately no flights found on that day.

USER: Not an issue. Thank you, for your service.

ASSISTANT: Thanks for opting us, have a great day ahead.