You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Please help me in booking a direct flight from HOU to DTW.

ASSISTANT: Sure, I am here to help you. Please let me know your travel dates.

USER: My travel dates are from May 3rd to May 5th.

ASSISTANT: Ok, do you have any requirements?

USER: I always prefer a normal-cost airline.

ASSISTANT: May I know your good name?

USER: I am Margaret Young.

ASSISTANT: Please be online for a moment.

USER: Ok.

ASSISTANT: There is a flight-1007 having single connection is available with AA airlines and the ticket fare is 100 only in economy class. Can I book the ticket for you?

USER: Do not proceed.

ASSISTANT: Sure, may I know the reason?

USER: I have already mentioned above that I need a direct flight.

ASSISTANT: As we did not find any direct flight on your given travel dates. If you would like to proceed with this flight, I can book the ticket for you.

USER: No. Thank you.

ASSISTANT: You are welcome and thank you for choosing us.