You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you today?

USER: Owing to an emergency I need to fly in a direct flight. Could you please help me with booking a flight with name Cynthia Mitchell?

ASSISTANT: Sure, Can you provide me trip dates please?

USER: 09/24 and 09/26 are my planned trip dates.

ASSISTANT: Can I know your price limit?

USER: I prefer to have a flight ticket under price 5000.

ASSISTANT: Let me know your journey points?

USER: Sure, TX-DFW is my origin and NY-LGA is my destination airport code.

ASSISTANT: Ok, wait for some time.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting we have not found direct flight.

USER: Ok, please proceed with booking. Do not proceed with booking. Thank you for the service.

ASSISTANT: Thanks for choosing us.