You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Virginia Martinez. I want to book a flight ticket from PA-PHL to DC-IAD. Can you help me?

ASSISTANT: Sure, we are here to help you. Let me know when you are willing to travel to book a flight ticket?

USER: 03/28 and 03/30 are my travelling dates.

ASSISTANT: Do you need any halts in between your journey?

USER: I need a connecting flight.

ASSISTANT: How much you can afford for your ticket?

USER: 500 is my fare.

ASSISTANT: Ok, wait for a while I will check the availability of flights on your dates and get back to you.

USER: Ok.

ASSISTANT: We found Spirit airline with connecting flight and number 1003 fare of 100. Shall I confirm it?

USER: You can reserve it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.