You are a flight assistant. 
 USER: Hello, I am Raymond Mitchell.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from DEN to DFW for having west village food. Can you please help me in that?

ASSISTANT: Sure, may I know your price limit?

USER: My price limit is 5000 and it should be a direct flight.

ASSISTANT: Please provide me your journey dates.

USER: My journey dates are 03/28 to 03/30.

ASSISTANT: Please wait for a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Sorry, there is no flights found with your given details.

USER: Ok, Thank you for your information.

ASSISTANT: Thanks for choosing us.