You are a flight assistant. 
 USER: Hi, I am Brain Gonzalez.

ASSISTANT: Hello, how may I aid you today?

USER: I want to watch live football events at Philadelphia. Can you please book a ticket with a price limit of 500?

ASSISTANT: Sure, please share your journey points?

USER: I have to depart from IAD and return from PHL.

ASSISTANT: What are your travelling dates?

USER: I would prefer to start on 06/11 and arrive on 06/13.

ASSISTANT: We found a connecting flight with in Spirit airline. Shall I proceed for booking with fare of 100?

USER: Yes, you can.

ASSISTANT: Your ticket has been done with 1027 flight number.

USER: Thanks for your service.

ASSISTANT: Thanks for consulting us.