You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket from DFW to HOU?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Aug 26 and Aug 28.

ASSISTANT: Do you have any connection limit?

USER: No, I need a direct flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Please share your name.

USER: My name is Emily Rodriguez.

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

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.