You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Could you book my ticket from IAD to EWR?

ASSISTANT: Yes, can you share me your dates of travel?

USER: My itinerary dates are Jan 26 and Jan 28.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: Please book my ticket.

ASSISTANT: Can I know your name for booking?

USER: Justin Carter here.

ASSISTANT: Your ticket has been booked.

USER: Thank you for assisting me.

ASSISTANT: Thank you for contacting us.