You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a ticket from HOU to MSP, can you help me?

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

USER: My travel dates are 07/18 and 07/20.

ASSISTANT: Ok, please mention your name.

USER: I am Timothy Carter.

ASSISTANT: Let me know your connection limit.

USER: I prefer a connecting flight.

ASSISTANT: Do you have any specification?

USER: I want to return in the afternoon.

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

USER: No problem, thanks for checking.

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