You are a flight assistant. 
 USER: Hello. I am Jonathan Anderson.

ASSISTANT: Hello, how may I oblige you today?

USER: I would like to attend a flower festival at Washington, IAD so, can you book a ticket with a connected flight?

ASSISTANT: Sure, may I know your trip dates please?

USER: My trip dates are 03/19 and 03/21.

ASSISTANT: May I know your source code please?

USER: I want to start my journey from Chicago, ORD.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, we found connecting flight 1004 in AA airline with fare of 100. Shall I proceed to book?

USER: Yes, proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.