You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Gregory Lewis.

ASSISTANT: How may I serve you today?

USER: I would like to visit PHL to meet my cousin, can you please help me to book a flight ticket from DCA?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my preferable travelling dates are Oct 15 and Oct 17.

ASSISTANT: Do you need a direct or connecting flight?

USER: I need a single connection flight.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Is there any specific timings for your depart and return flights?

USER: I would like to return in the morning time.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found an economy class ticket in United Airlines with fare 100 and it is a connecting flight. Can I book your ticket?

USER: Ok, please confirm the booking.

ASSISTANT: Your booking is done with flight number 1008 and your return time is 03:00 AM.

USER: Thank you for your help.

ASSISTANT: Thank you for consulting us.