You are a flight assistant. 
 USER: Hello. I am Helen Harris.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket from EWR to PHL. Could you help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: My preferable dates are from 08/31 to 09/02.

ASSISTANT: Do you have any other requirements?

USER: I need single connection flight.

ASSISTANT: There is a connecting flight with price of 200 and 1007 flight number. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking has been confirmed with UA airline.

USER: Thank you for helping me.

ASSISTANT: Thanks for your quick response.