You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I want to travel HOU to meet my business partner, can you please help me to book flight ticket from DTW?

ASSISTANT: Sure, May I know your travelling dates?

USER: I planned my dates to travel on July 16 and return on July 18.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight for this trip.

ASSISTANT: Any other preferences?

USER: I would like to return in the evening.

ASSISTANT: May I know your name?

USER: Sure, myself Anna Roberts.

ASSISTANT: Sorry, there are no flights found with your details.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you.