You are a flight assistant. 
 USER: Hello, I am Robert Thomas.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a ticket from IAD to DEN on 04/23. Can you help me in that?

ASSISTANT: Ok, may I know your price limit please?

USER: My price limit is 200.

ASSISTANT: Could you please provide your return date?

USER: My return dates will be on 04/25.

ASSISTANT: Please wait for a second, I will get back to you.

USER: Sure.

ASSISTANT: I am glad to inform you that, I found a found a flight with two connection and the fare is 100. Shall I confirm with this booking?

USER: No, I am in need of a flight with single connection. Thank you for your information.

ASSISTANT: Thank you for approaching us.