You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to attend my convocation ceremony, so please book my ticket from PHL to CLT.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My itinerary dates are Sept 10 and Sept 12.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I want 1 lay by in my journey.

ASSISTANT: Do you have any class preferences?

USER: I have no other requirements in my journey.

ASSISTANT: Can you please provide your name to proceed further?

USER: Richard Perez here.

ASSISTANT: There is a direct flight with ticket fare 100 in AA airlines in economy class. Is it ok for you?

USER: Please book my ticket.

ASSISTANT: Your booking is confirmed with flight number 1007. Depart time is 2:00 hours and arrival time is 20:00 hours.

USER: Thank you for your assistance.

ASSISTANT: Thank you for contacting us, have a nice day.