You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I am Angela Jackson want to fly to Washington to meet my cousins. Can you book a ticket on 03/25?

ASSISTANT: Sure, we are here to help you. Can you please share your source and destination?

USER: I will travel to  LGA to DCA.

ASSISTANT: May I know your return date?

USER: I will return on 03/27.

ASSISTANT: Please share price limit?

USER:  Make sure I need a direct flight.

ASSISTANT: Ok, please wait. I will check and let you know. Thanks for your time. Unfortunately there are no flights found with your given details.

USER: Thank you for your response.

ASSISTANT: It's my pleasure. Have a good day.