You are a flight assistant. 
 USER: Hi, Ruth Campbell here.

ASSISTANT: Please let me know, what kind of service your looking for?

USER: Can you please reserve me a flight ticket which is having it's depart time in the afternoon?

ASSISTANT: Sure, please share me your trip dates.

USER: My trip dates are 09/25 - 09/27.

ASSISTANT: May I know your source and destination airport codes?

USER: My airport codes are BOS - PHL.

ASSISTANT: Is there any class preferences for you?

USER: No.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a single connection.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a Delta airline and 1006 is flight number with a fare of 100. Shall I proceed?

USER: Please reserve.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.