You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I serve you now?

USER: On my name Timothy Lopez reserve me a plane to give seminar on nano technologies in Philadelphia, PHL.

ASSISTANT: Sure, I will help you to book a flight.

USER: Thank you.

ASSISTANT: May I know your source airport code?

USER: Yes, I wish to fly from New York, EWR.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt in between my trip.

ASSISTANT: Please share me your planned journey dates?

USER: 03/07 - 03/09 are my starting date and ending date.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is flight of airline Frontier with two connection is available on your journey data.

USER: Ok, do not proceed. I need one connecting flight. Thank you for kind information.

ASSISTANT: Sorry, there is no flight available with single connection. Thank you for reaching us, we hope see you again.