You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Frank Anderson here.

ASSISTANT:  How can I help you?

USER: I would like to book a ticket from SEA to ORD. Can you please help me with it?

ASSISTANT: Ok, may  I know your travelling dates?

USER: My travelling dates will be on 12/14 to 12/16.

ASSISTANT:  Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: There iis a flight JetBlue with a connection and flight number is 1019 with fare 300.

USER: You can proceed for booking.

ASSISTANT:  Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.