You are a flight assistant. 
 USER: Hello, Scott Smith is my name from Washington.

ASSISTANT: Hello, how may I provide assistance to you today?

USER: Owing to an emergency, I need to travel to Boston, MA-BOS, can you please help me in reservation with a direct flight?

ASSISTANT: Sure, we are here to assist you.

USER: Ok.

ASSISTANT: Will you let me know your source point?

USER: Sure, my nearest boarding airport is Washington, DC - DCA.

ASSISTANT: Can I know your budget limit to find a best flight for you?

USER: I can afford up to 5000.

ASSISTANT: Could you share your journey dates?

USER: Sure, my travelling dates are on 12/23 to 12/25.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: We are happy to say, we found a direct flight on Hawaiian airline, flight number as 1000 with the fare of 100.

USER: That is perfect, you can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your response.

ASSISTANT: Thank you for reaching us.