You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER: I would like to book a flight ticket from DFW to SEA to meet my friends.

ASSISTANT: Can you please let me know your journey dates?

USER: My travelling dates are Aug 25 and Aug 27.

ASSISTANT: Is there any connection limit in your journey?

USER: I prefer to travel in a direct flight.

ASSISTANT: Can you please let me know your other requirements?

USER: No, I do not have any other requirements.

ASSISTANT: May I know your name please?

USER: I am Andrew Edwards.

ASSISTANT: Sorry, we did not find any flights matching your requirements.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for approaching us.