You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jerry Wilson here.

ASSISTANT: How can I help you?

USER: I'm planning to attend a conference in Philadelphia, can you please book a ticket from DCA to PHL?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, my planned departure and return travel dates are 7th and 9th of May.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: That's fine, you can proceed for booking the ticket.

ASSISTANT: Your ticket is booked, flight number 1007.

USER: Thank you so much for your help.

ASSISTANT: Thank you for opting us.