You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to book a flight from Detroit to visit my Hometown at IAH, can you please help me to book a flight?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: Sure, my planned dates are on Sept 18th to 20th.

ASSISTANT: May I know your name for further process?

USER: Sure, I am Jessica Wright.

ASSISTANT: Ok, may I know your source airport code?

USER: Sure, my source airport code is DTW.

ASSISTANT: Do you have any specification?

USER: I prefer a connected flight.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: No worries, thank you.

ASSISTANT: Thank you for reaching us, have a nice day.