You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for MSP to DFW, can you help me out?

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

USER: My trip dates are from feb 4th till feb 6th.

ASSISTANT: Do you have any specification?

USER: I need a direct flight to fly.

ASSISTANT: May I know your name?

USER: I am Thomas Lee.

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

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Thank you for choosing us.