You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sarah Lewis.

ASSISTANT: How can I assist you today?

USER: Can you help me in booking the ticket from SEA to IAD?

ASSISTANT: Sure, can you please share your travel dates?

USER: My planning dates are from 11/22 to 11/24.

ASSISTANT: Let me check for the availability of flight.

USER: Ok.

ASSISTANT: Sarah, there is a flight available with price 100 and the connection is 1 with UA airline. Would you like me to proceed with the booking?

USER: That's great, please proceed.

ASSISTANT: Your booking is confirmed with 1003 flight number.

USER: Thank you for your help.

ASSISTANT: You are welcome.