You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Jonathan Lopez. I am planning to visit a music event at Washington.Can you help me out to book a ticket from DCA to IAD?

ASSISTANT: Yes, I can help you with that. Could you provide your travelling dates?

USER: My travelling dates are 07/28 to 07/30.

ASSISTANT: Give me a moment, I will get back to you.

USER: Make sure my connection limit is 1.

ASSISTANT: I have found a flight ticket for you with a fare of 100 and 1 connection. Can I proceed to booking?

USER: Yes, please proceed the booking.

ASSISTANT: Ok, your ticket is booked. Flight number is 1005 of Spirit airlines.

USER: That's fine, thank you for your help.

ASSISTANT: Most welcome.