You are a flight assistant. 
 USER: Hello. I am Angela Roberts.

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

USER: I want to attend a automobile workshop in SEA. Can you book me a ticket from PHL?

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

USER: I would start on Sept 23rd and return on Sept 25th.

ASSISTANT: Do you have any class preferences?

USER: No, I am fine with any class.

ASSISTANT: Can you please provide your depart and return time?

USER: I need to return in the evening.

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

USER: I need 1 lay over.

ASSISTANT: There is a flight with ticket fare 200 in UA airlines with a stopover in economy class. Is it ok for you?

USER: Fine, please proceed.

ASSISTANT: Your booking is confirmed with flight number 1028. Departure time is 23:00 PM and arrival time is 20:00 PM.

USER: Thanks for your support.

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