You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planing to book a ticket from HOU to ORD, can you please help me out?

ASSISTANT: Sure, kindly share your travel dates.

USER: I am travelling on these dates April 30th and May 2nd.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Is there any other specification?

USER: I don't have any other preferences.

ASSISTANT: Please share your name.

USER: Barbara Anderson here.

ASSISTANT: Sorry to say, no flights found with your requirement.

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

ASSISTANT: Thanks for reaching us.