You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I need to travel PHL and IAD, can you reserve flight ticket?

ASSISTANT: Sure, we are mirthful to assist you in booking. Can you please let me know if you have any connection preference?

USER: Yes, I prefer single connecting flight.

ASSISTANT: May I know your planned travelling dates to proceed further?

USER: My travelling dates are Apr,12 and Apr,14.

ASSISTANT: May I know your name please?

USER: Myself Nancy Parker.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No.

ASSISTANT: Thanks for providing your details, please wait a moment.

USER: Sure, I will be waiting.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by UA airline with the flight number-1024 and the fare 100. Shall I book the connecting flight?

USER: Proceed with the reservation.

ASSISTANT: Your flight booking is confirmed and ticket has been emailed.

USER: Thank you for reserving my flight ticket.

ASSISTANT: Thank you for approaching us.