You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to enjoy my trip at Philadelphia with my family, can you help me with booking?

ASSISTANT: Ok, may I know your planned travelling dates?

USER: My travelling dates are Mar 05 and Mar 07.

ASSISTANT: May I know your desired airport codes?

USER: I will fly from IAD to PHL.

ASSISTANT: May I know your connection preference?

USER: I need a lay by in between my journey.

ASSISTANT: Can you please specify your other needs?

USER: My return time is afternoon.

ASSISTANT: May I know your name please?

USER: I am Angela Parker.

ASSISTANT: Flight-1017 is available for you with 1 connection with return time in afternoon at 14:00 hours. Can I book it?

USER: Please proceed.

ASSISTANT: Booking done, thank you for reaching us.

USER: Thank you.

ASSISTANT: Have a nice day.