You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you aid me to book a flight ticket from DEN to HOU?

ASSISTANT: Ok, please can I know your dates of journey to book a ticket?

USER: My trip dates are Sep 6 and Sep 8 respectively.

ASSISTANT: Ok, may I know your preferred connection limits?

USER: I prefer for single connecting limit.

ASSISTANT: Ok, please can I know your name to proceed?

USER: Jacob Turner here.

ASSISTANT: Sorry, there are no flights available at your location to proceed further.

USER: That's fine, thank you for your assistance.

ASSISTANT: Thank you for choosing our agency.