You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Jonathan Nelson. Can you help me in booking the ticket from IAD to PHL?

ASSISTANT: Yes, I can help you. Can you share me your travelling dates?

USER: My planning dates are from 09/25 to 09/27.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: I have found a flight ticket with a price of 1200 and 1 connection. Can I proceed to booking?

USER: Sorry, I need a flight with a price of 200.

ASSISTANT: Sorry, there is no flight found with in your budget.

USER: That's fine. Thank you.

ASSISTANT: Thank you for reaching us.