You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: I am Anna Hill. I would like to book a ticket from HOU to MSP, can you please help me out?

ASSISTANT: Sure, May I know your travelling dates?

USER: I am travelling on these dates September 29th and October 1st.

ASSISTANT: Do you have any other preferences?

USER: I need afternoon flight.

ASSISTANT: Thanks for your details, There are no flights found on your data.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you.