You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning a business trip from SEA to DCA, can you book a ticket?

ASSISTANT: Sure, can I know your travel dates?

USER: My travel dates are 07/20 and 07/22.

ASSISTANT: Give me a minute, let me check the details. The flight 1004 of JetBlue airlines is available on your requested dates. Shall I book the ticket?

USER: Ok, book it.

ASSISTANT: Can I know your name for booking the ticket?

USER: My name is Ruth Gonzalez.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for booking a ticket.

ASSISTANT: Welcome.