You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may  I serve you for the day?

USER: Will you please help me to book a flight ticket from SFO to PHL?

ASSISTANT: Sure, can you please forward your journey dates?

USER: I want to travel in Oct from 6th to 8th.

ASSISTANT: Do you prefer connecting flight or direct flight in your journey?

USER: I prefer a connecting flight.

ASSISTANT: May I know your name please?

USER: I am Mark Moore.

ASSISTANT: Please let me know your other requirements.

USER: I don't have any other requirements.

ASSISTANT: We found a Delta airlines, flight number 1021, price is 200 in economy class. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket has been reserved with connecting flight.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.