You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Dennis Moore. Can you please help me in booking my flight ticket from DTW to IAH?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are June 29 and July 01.

ASSISTANT: Do you have any specifications?

USER: I need connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Ok, sure.

ASSISTANT: Thanks for your time, there is a connecting flight available with fare 300 in economy class of Delta airline. Shall I proceed?

USER: My fare limit is 200. Please recheck with that.

ASSISTANT: Sorry, there are no flights found on your price limit.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for opting us.