You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Myself Patrick Moore. I want to go Dallas for my upcoming film shooting purpose, can you please book a flight ticket for me?

ASSISTANT: Sure Patrick Moore, I am happy to help you with that.

USER: Thanks.

ASSISTANT: Can I have your travel dates please to check flight availability?

USER: I want to take off on 11/23 and also confirm my return ticket too on 11/25.

ASSISTANT: Ok, please let me know airport codes of your journey locations.

USER: I want to fly from MSP and destination airport is DFW.

ASSISTANT: Please wait a moment and I will check for flight availability.

USER: Ok.

ASSISTANT: Yes, I have found a flight in Spirit airlines with connection 1 and price 700, is it ok for you?

USER: Sorry I cann't bare that much money, can you please check is there flight available below 500?

ASSISTANT: Sorry Patrick Moore, no flight is available to you with price 500.

USER: Oh! It's ok no problem, I will go with another airline service. Thank you for your service.

ASSISTANT: Thank you for choosing us, have a good day.