You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Andrew Clark. I am planning to attend business meeting at DTW, can you please help me with booking a flight ticket from PHL?

ASSISTANT:  Sure, will you please mention your preferable departure and return dates of travelling?

USER: Sure, I would like to depart on Mar 1 and return on Mar 3.

ASSISTANT:  Is there any another specifications on your trip, so that I can arrange like that only.

USER: Yes, I would like to return during morning time.

ASSISTANT: There is a connecting flight-1020 with price 100, is it fine for you?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, booking is done on UA airlines.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.