You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please help me in booking the ticket from DCA to LAX? As I need to participate in a dance show.

ASSISTANT: Ok, please can I know your dates of journey?

USER: Sure, my planned departure and return travel dates are 15th and 17th of April.

ASSISTANT: Ok, please can I know the connection limits you prefer to check for the availability?

USER: I prefer single connected flight.

ASSISTANT: Ok, please can I know your other specification?

USER: I don't have any other specifications.

ASSISTANT: Ok, please can I know your name?

USER: My name is Kimberly Lewis.

ASSISTANT: Sorry, there is no flight available at your location to book a ticket.

USER: That's ok, thank you for giving the information anyways.

ASSISTANT: My pleasure, thank you for choosing our agency.