You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking flight ticket from SFO to PHL?

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

USER: I want to travel on dates Apr 19 and Apr 21.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Dennis Mitchell.

ASSISTANT: We found an airline: Delta, flight number: 1029 and price is 200 with one connection.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.