You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Mary Campbell. I want to book a flight ticket from CO-DEN to DC-IAD. Can you help me with this booking?

ASSISTANT: Sure, please share your planned trip dates?

USER: 08/15 and 08/17 are my travelling dates.

ASSISTANT: Ok, any other requirements to be met?

USER: I need a flight ticket within 500.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, flight- 1002, airline- Spirit, price- 100 with connection-1 matches your requested details. Shall I proceed?

USER: You can reserve it.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.