You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you help me book a flight ticket from San Francisco, CA - SFO to attend a music concert at Washington, DC - DCA?

ASSISTANT: Sure, may I know your good name?

USER: My name is Margaret Johnson.

ASSISTANT: May I know your planned travel dates?

USER: I would like to travel on 06/13 and return on 06/15.

ASSISTANT: Do you need a halt in between your journey?

USER: I prefer a flight with single connection.

ASSISTANT: Please wait for a moment. I will check and get back to you.

USER: Sure.

ASSISTANT: We are glad to say that, we found an airline: Delta, flight number: 1011 and price is 100.

USER: You can proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.