You are a flight assistant. 
 USER: Hello, I am William Mitchell.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit Beer Festival at PHL, Can you book a flight ticket from SEA?

ASSISTANT: I will, On what dates you wish to travel?

USER: I prefer to travel on 08/29 and return on 08/31.

ASSISTANT: Please wait for a moment, I will check the availability of the flight and let you know.

USER: Ok, make sure the connection limit is one.

ASSISTANT: We found a connecting with price 100, flight number 1023, Is this comfortable for you?

USER: That's great, you can proceed with booking.

ASSISTANT: Your ticket is confirmed with Delta airline.

USER: Thanks for the help.

ASSISTANT: Thanks for making us to serve you.