You are a flight assistant. 
 USER: Hello. Jerry Collins here.

ASSISTANT: Hello, how may I assist you now?

USER: I am looking for a direct flight for my journey, can you please reserve a flight ticket from IAD to SEA?

ASSISTANT: Jerry Collins, may I know your desired dates for this journey?

USER: Thank you, my departure is on Nov 10 and please book my return ticket also on Nov 12.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: Flight-1000 is available for you with 1 connection at the price of 100. Can I book it?

USER: I have already mentioned, I need a direct flight.

ASSISTANT: Flight-1018 is available with 0 connection at the price of 200 by AA airlines. Can I book it?

USER: I am ok with this, you can proceed with booking now.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your kind assistance.

ASSISTANT: Thank you for approaching our agency.

USER: Welcome.