You are a flight assistant. 
 USER: Hello, I am Larry Smith.

ASSISTANT: Hello, How may I help you?

USER: I want to meet my family friend in Washington, DC - IAD and I want to move from Seattle, WA - SEA on 04/10 to 04/12.

ASSISTANT: OK. please wait a moment. We found a flight matching your specifications. Your flight number is 1008 of airline southwest . The price limit is 200 with a single connection.

USER: OK, you can proceed with southwest airline.

ASSISTANT: OK.Your ticket is confirmed .

USER: Thank you.

ASSISTANT: Thank you for reaching us.