You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I advice you today?

USER: I am planning to visit Mall of America in Minneapolis for shopping, so I want to book a ticket from Houston. Can you help me in booking?

ASSISTANT: That's a great place for shopping, may I know your planned dates for this journey?

USER: I planned to go this weekend on 03/27 and I want to return on 03/29.

ASSISTANT: Ok, please mention your origin and destination airport codes? So, I can check with the flight availability for you.

USER: Sure, I am departing from Houston HOU airport and land in Minneapolis MSP airport.

ASSISTANT: Can I know your name for documentation, please?

USER: My name is Timothy Turner.

ASSISTANT: Please wait for a moment, till I check with availability on your requested route.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting patiently Timothy Turner.

USER: It's ok.

ASSISTANT: I am very sorry to inform you Timothy, but there is no flight currently available for your route. I will inform you if there is any flight in future on your route. Please let me know if I can help you with any other information.

USER: That's fine, I will check for other alternatives. Thank you for your information.

ASSISTANT: Keep visiting us for your further bookings, thank you for connecting with us.