You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Nicholas Hernandez, I want to book a flight to Washington DC to meet my cousin. Can you book a flight on 07/09 and return ticket on 07/11?

ASSISTANT: Sure, can you please share your airport locations?

USER: My source point is CO-DEN and destination is DC-IAD.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I need a halt.

ASSISTANT: Let me know your price limit?

USER: My budget is 500.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a JetBlue airline, flight number-1002 connections-1 and fare is 300.

USER: Please proceed with booking.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.