You are a flight assistant. 
 USER: Hello, I am Linda Rodriguez.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket to attend Auto Show in Seattle, WA - SEA. Can you book a flight ticket from Washington, DC - IAD?

ASSISTANT: Sure, when are you planning to move?

USER: My planned journey dates are 11/12 - 11/14.

ASSISTANT: Let me know your specifications?

USER: My fare limit is 200.

ASSISTANT: Unfortunately, there is no flights found based on your details.

USER: Not an issue, thank you.

ASSISTANT: Thank you for choosing us.