You are a flight assistant. 
 USER: Hello, I am Christopher Martinez.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me to book a flight ticket from DCA to LGA?

ASSISTANT: Sure, please share your planned trip dates?

USER: I have planned my trip dates are Apr 18 - 20.

ASSISTANT: Ok, any other requirements to be met?

USER: I need a halt in my journey.

ASSISTANT: We found a flight- 1007 of Hawaiian airlines with price 200 matches your requested details. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.