You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Amy Mitchell. I am looking for a direct flight from PHL to HOU, can you please help me to book a flight ticket?

ASSISTANT: Your travelling dates please?

USER: Sure, my journey dates are Mar 27 and Mar 29.

ASSISTANT: Here is a connecting flight with flight number 1005 and fare is 100, providing ticket in economy class. Shall I proceed with booking?

USER: Can you please check for the direct flight?

ASSISTANT: I am sorry no direct flights found on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.