You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Robert Baker.

ASSISTANT: How can I help you?

USER: I am planning to travel from SEA to DCA to attend my sister's wedding anniversary, can you please help me with booking a flight ticket?

ASSISTANT: Can I know your travelling dates?

USER: Sure, my departure date is on 06/17 and the return date is on 06/19.

ASSISTANT: There is a flight available with price 100 and flight number is 1019, would you like to proceed with the booking?

USER: Yes, please.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome.