You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me i reserving my flight from IAD to visit all the famous places which are at JFK?

ASSISTANT: Sure, can you please share your travel dates?

USER: Thank you for the response, my travelling dates are Apr 10th and Apr 12th.

ASSISTANT: May I know your connection limit?

USER: I prefer a flight which has maximum a single connection.

ASSISTANT: May I know your airline preference?

USER: I am comfortable with any standard airlines.

ASSISTANT: In which class do you prefer to travel?

USER: I prefer an economy class ticket.

ASSISTANT: May I know your departure and arrival time?

USER: I would like to depart in the evening time.

ASSISTANT: Ok, please share your name to proceed further.

USER: I am Brandon Phillips here.

ASSISTANT: Ok, please be on hold. Let me check for the flight availability.

USER: Ok, sure. I will wait for your response.

ASSISTANT: Sorry for the inconvenience, there are no flights in this route as per your travelling details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for approaching us.