You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Helen Rodriguez, need to book a ticket for round trip to PHL. Can you please help me in booking?

ASSISTANT: Sure, I am here to help you. May I know your travel dates?

USER: My travel dates are from 04/05 to 04/07.

ASSISTANT: Do you have any other requirements?

USER: I am comfortable to travel in any flight with fare 500.

ASSISTANT: We found a connecting flight with price of 200 and 1019 flight number. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your seat has been reserved with the UA airline of economy class.

USER: Thank you.

ASSISTANT: Thank you for approaching us.