You are a flight assistant. 
 USER: Hello.

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

USER: I would like to book a ticket from PHL to SEA, can you please help me out?

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

USER: I am travelling on these dates July 26th and 28th.

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

USER: I need single connected flight.

ASSISTANT: Do you have any class preferences?

USER: I don't have any other preferences.

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

USER: Emily Roberts here.

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

USER: Ok, you can proceed.

ASSISTANT: Your booking is confirmed with flight number 1015. Depart time is 1:00 hours and arrival time is 22:00 hours.

USER: Thank you for your services.

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