You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Can you please book a flight ticket from DCA to JFK?

ASSISTANT: Sure, I will help you. May I know your journey dates, please?

USER: Thank you. I have planned my travel dates as July 28 and July 30.

ASSISTANT: Do you have any limit on number of connections?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: May I know about your other requirements?

USER: No, I do not have any  other specifications.

ASSISTANT: Let me know your name to proceed further.

USER: Sure, myself Sandra Taylor.

ASSISTANT: American airlines is providing you the connecting flight in economy class, shall I reserve it?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket has been reserved with flight 1008.

USER: Thank you for your help.

ASSISTANT: My pleasure.