You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you aid me to book a ticket from SEA to IAD?

ASSISTANT: May I know your travelling dates?

USER: My travel dates are Nov 14 and Nov 16 respectively.

ASSISTANT: Can I know your connection flight?

USER: I prefer for single connecting flight.

ASSISTANT: Can I know your name?

USER: Larry Lopez here.

ASSISTANT: Please let me know do you have any other preference?

USER: No.

ASSISTANT: Here is a connecting flight ticket with fare 300 and 1019 as flight number in Delta Airline. Shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.