You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me out with ticket booking from DFW to HOU?

ASSISTANT: Sure, can I know your travelling dates?

USER: My depart is on Nov 11 and Nov 13 respectively.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Janet Thomas here.

ASSISTANT: Do you have any connection limit?

USER: I prefer for direct flight.

ASSISTANT: Do you have any other specifications?

USER: My depart should be in the afternoon and make sure that I used to travel in economy class.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.