You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: Please help me to book a flight from PHL to IAD.

ASSISTANT: Sure, may I know your good name?

USER: Shirley Rodriguez here.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: Jan, 27 and Jan, 29 are my travel dates.

ASSISTANT: Do you have any specifications?

USER: I need connecting flight.

ASSISTANT: We found a connecting flight 1018 from Delta airline has fare 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for availing us.