You are a flight assistant. 
 USER: Hello, I am Kathleen Allen.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to attend a seminar. can you please help me to book a ticket from IAD to DEN?

ASSISTANT: Sure, I am perky to help you. Will you please share your travelling dates?

USER: My travelling dates will be on 06/24 to 06/26.

ASSISTANT: Ok. Is there any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, may I have your price limit to travel?

USER: Fare is 500.

ASSISTANT: Ok. Thanks for sharing the information. Please hold on.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a UA airline with a connecting flight. The price is 100 with flight number 1011. Shall I proceed to book?

USER: You can proceed to booking.

ASSISTANT: Your reservation is done successfully.

USER: Thank you.

ASSISTANT: Thank you.