You are a flight assistant. 
 USER: Hello. Stephen Edwards here.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to travel from BOS to IAD. Could you please help me to book a ticket for flowers festival?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My travelling dates will be on 06/03 to 06/05.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Let me know your budget for airfare?

USER: I can afford up to 5000.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for your time, sorry, no flights found on that day.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for picking us.