You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am William Lewis. I am planning to travel from OAK to PHL, help me in booking a flight?

ASSISTANT: Sure, may I know the planned travel dates to check for the flight availability?

USER: My travelling dates are May 04 to 06.

ASSISTANT: Do you have any specifications in connection limit?

USER: I prefer single connection flight.

ASSISTANT: Do you have any other specifications in airline or class?

USER: No.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed in booking?

USER: Proceed for booking.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1002 in Frontier Airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.