You are a flight assistant. 
 USER: Hello. This is Jerry Lopez from Seattle.

ASSISTANT: Hello, what sort of help are you seeking from me?

USER: I want to book a flight ticket from Seattle, WA - SEA to Washington, DC - IAD. Can you help me in this?

ASSISTANT: Sure, we are happy to help you. May I know your travelling dates?

USER: Thank you. I want to fly on 07/13 and return on 07/15.

ASSISTANT: Ok, Is there any restrictions in ticket fare?

USER: I can pay up to 5000.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight with the fare of 100. Shall I proceed?

USER: It is perfect for me. You can reserve it.

ASSISTANT: Ok, your ticket has been reserved with Hawaiian airline of 1012 flight in economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.