You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ashley White here.

ASSISTANT: White, how can I assist you?

USER: I want to attend a seminar on automation, so please book my ticket.

ASSISTANT: Sure, I am here to help you. Can I know your airport codes?

USER: My airport codes are DCA and ORD.

ASSISTANT: Ok, may I know your travel dates?

USER: My trip dates are 11/09 and 11/11.

ASSISTANT: There is a single connection flight available with JetBlue airlines and the ticket fare is 200 only. Are you comfortable with this flight?

USER: Please book my ticket.

ASSISTANT: Your ticket is confirmed and your flight number is 1013.

USER: Thank you.

ASSISTANT: You are most welcome.