You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me to book flight ticket from HOU to DTW?

ASSISTANT: Sure, kindly share your travel dates.

USER: My journey dates are Aug 29 and Aug 31.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Is there any other specifications?

USER: I prefer business class.

ASSISTANT: Please share your name.

USER: Alexander Taylor here.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thanks for reaching us.