You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please help me in booking from IAD to ORD?

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

USER: My travelling dates are from Jan 18 to Jan 20.

ASSISTANT: Any preferences you have?

USER: I want to return in the morning time.

ASSISTANT: Can you mention your name to proceed further?

USER: My name is Jessica Martinez.

ASSISTANT: United Airlines has a connecting flight with number 1028 for fare 100, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.