You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Steven Collins.

ASSISTANT: How may I help you?

USER: I would like to visit Philadelphia for a business meeting, can you please help me in a booking a flight ticket?

ASSISTANT: Sure, please provide me your airport codes?

USER: I would like to travel from LAX to PHL.

ASSISTANT: Ok, may I know your travelling dates?

USER: The dates are from 01/15 to 01/17.

ASSISTANT: Ok, wait a moment.

USER: Ok.

ASSISTANT: There is flight found for with 1 connection. Shall I proceed to book?

USER: No, I want the flight with 0 connection.

ASSISTANT: Sorry there is no flight with 0 connection.

USER: It's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your time.

ASSISTANT: Welcome.