You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you able to book my ticket?

ASSISTANT: Sure, can I know your name?

USER: Scott Thomas this end.

ASSISTANT: OK, can you please tell me source and destination details?

USER: From DFW to DTW, I like to go.

ASSISTANT: OK, could you tell me travelling dates?

USER: From 08/31 to 10/01.

ASSISTANT: OK, can I know is there any price limit?

USER: Under 1000.

ASSISTANT: OK. Sorry to inform you that there are no flights found for this search. Thank you for reaching us.

USER: Thank you for your information.