You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Sandra Allen. I need to schedule my trip to travel Washington. Can you please help me in reserving the ticket from DCA to IAD?

ASSISTANT: Sure, can I know the travel dates please?

USER: I am planning my trip on May 27, and again I will return back on May 29.

ASSISTANT: May I know the depart and return timings please?

USER: My depart time is morning.

ASSISTANT: Can I know the connection limit please?

USER: I am flexible with single connection.

ASSISTANT: Do you have any requirements?

USER: I don't have any other specifications.

ASSISTANT: There is a connecting flight at 9.00 AM in Spirit airline, can I book it?

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: Your ticket has been booked with flight number 1000.

USER: Thank you very much for reserving the ticket.

ASSISTANT: You are welcome.