You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you right now?

USER: Ruth Robinson here. I would like to book a ticket from JFK to DCA where I have to attend a birthday party of one of my friend.

ASSISTANT: Sure, I am glad to assist you with your request. Can you please let me know your itinerary dates of travelling?

USER: My travel dates are as follows June 19 and June 21.

ASSISTANT: Do you have any connection limit?

USER: Yes, I would like to board a single connection flight.

ASSISTANT: Any other preferences do you have?

USER: No, thank you for asking.

ASSISTANT: On whose name I have to book the flight ticket?

USER: Ruth Robinson.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure, take your time.

ASSISTANT: We regret to inform you that, there are no flights available for your journey with your requested dates of travelling.

USER: No issue, thank you for your time and information.

ASSISTANT: Thank you for reaching to our services, hope you have a great day.