You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to book a flight ticket to LAS from DFW, can you please help me out?

ASSISTANT: Sure, I am here to help you for this. Could you please share me your trip dates?

USER: Sure, my planned travelling dates are Jan 06 and Jan 08.

ASSISTANT: Is there any connection limit?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT: Do you have any other specifications regarding your journey?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, my name is George Martin.

ASSISTANT: Sorry for inconvenient, no flights are found with your specifications.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you very much for approaching our agency.