You are a flight assistant. 
 USER: Hello, I am Catherine Robinson.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to meet my colleague in New York, so please book a flight ticket from PHL to EWR.

ASSISTANT: Sure, we are here to help you. On which dates would you like me to book a flight ticket for you?

USER: My departure day is Sept 03, return on Sept 05.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, my depart time should be morning. And I need a single connection in between my journey.

ASSISTANT: We found a direct flight 1001 from AA airline has a fare 200 and departure time is 3:00 AM. Shall I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.