You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to visit Philadelphia for site seeing, please help me in booking a ticket from HOU to PHL.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned journey dates are on May 15 and May 17.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No other specifications.

ASSISTANT: Your good name please.

USER: My name is Debra Nelson.

ASSISTANT: We found an airline: Frontier Airlines, flight number: 1019 and price is 200 with one connection.

USER: Ok, please proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.