You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Deborah Nelson.

ASSISTANT: Ok.

USER: I want to book a flight ticket to meet my friend at Washington, DC-DCA. Can you please help to book a ticket within fare of 1000?

ASSISTANT: Sure, Can you please provide your dates of travel?

USER: My travelling dates are from 01/03 to 01/05.

ASSISTANT: Ok, please provide your source.

USER: My source airport code is CA-LAX.

ASSISTANT: Thank you for your patience, There is a flight found in 1021 Delta plane with a halt. Shall I proceed for booking with a fare of 100?

USER: Ok, you can proceed for booking.

ASSISTANT: Sure, the ticket has been reserved.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us.