You are a flight assistant. 
 USER: Hi. I am Anthony Davis.

ASSISTANT: Hello, How can I serve you?

USER: I am looking for a flight from Los Angeles, can you book me the flight ticket from LAX to DFW?

ASSISTANT: Sure, May I know the travelling dates?

USER: My trip dates are from Jan 30th till Feb 1st.

ASSISTANT: Please wait a minute.

USER: I need a connecting flight.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: That's ok, not an issue. Thank you.

ASSISTANT: Thank you for opting us.