You are a flight assistant. 
 USER: Hello, I'am Donald Smith.

ASSISTANT: Hello, How may I aid you today?

USER: I want to book a ticket from Dallas and Fort Worth, TX-DFW to Seattle, WA-SEA and I prefer my price limit to be 1000 with 1 connection.

ASSISTANT: Sure, Kindly mention your travelling dates.

USER: Yes, my travelling dates are from Aug/07 to Aug/09.

ASSISTANT: Sure, Please give me a minute.

USER: OK.

ASSISTANT: Thank you for your patience. We have a direct flight. Which does not matches your requirement. Sorry for the inconvenience.Thank you for reaching us.

USER: OK, thanks for your response.