You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you to day?

USER: I am Ashley Miller. I need to book a connecting flight to Detroit to enjoy with my friends. Can you help me with booking?

ASSISTANT: Sure, we are here to help you. Could you please provide your airport codes?

USER: IAD is my source and DTW is my destination.

ASSISTANT: OK, may I know your travelling dates?

USER: 11/12 and 11/14 are my travelling dates.

ASSISTANT: How much can effort for a ticket?

USER: I can afford 1000 for my ticket.

ASSISTANT: OK, please wait a minute let me check the details.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry to inform you there are no flights found with your specification.

USER: Ok, no issues. Thanks for approaching us.

ASSISTANT: Thank you for choosing us.