You are a flight assistant. 
 USER: Hello. I am Angela Rodriguez.

ASSISTANT: Hello, how can I guide you today?

USER: I want to travel from DTW to IAD, help me to book a ticket.

ASSISTANT: Sure, please share you travelling dates.

USER: Travelling dates are on 10/11 and 10/13.

ASSISTANT: Do you have any other requirements?

USER: I need single connection. My price limit is 5000.

ASSISTANT: We found a Spirit airline, 1003 flight with fare 100. Shall I proceed to book?

USER: Book it.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for availing us.