You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Patricia Williams. Can you help me in booking the ticket from LGA to DTW?

ASSISTANT: May I know your trip dates?

USER: My planning dates are from 09/26 to 09/28.

ASSISTANT: There is a flight with flight number 1010 with price is 300, can I proceed?

USER: I need a flight with a price of 200.

ASSISTANT: Your booking is done in Hawaiian airlines.

USER: I need a flight with a price of 200.

ASSISTANT: Sorry, there is no flight with your requirements.

USER: That's fine. Thank you.