You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to book a flight on Oct 27 to Seattle. Can you help me with booking?

ASSISTANT: Sure, will you mention your airport codes please?

USER: My source point is PHL and my destination is SEA.

ASSISTANT: Please provide your return date.

USER: I will return on Oct 29.

ASSISTANT: Do you have any specifications about flight connections?

USER: Yes, I want my return flight in morning.

ASSISTANT: Do you have any specifications about class?

USER: No.

ASSISTANT: Please mention your name.

USER: My name is Jessica Wilson.

ASSISTANT: The Delta airlines providing an economy class flight with price 100 and the connections 1. Shall I confirm your ticket?

USER: Sure, you can.

ASSISTANT: Your ticket is booked. The flight number is 1027.

USER: Thank you for helping me.

ASSISTANT: Welcome, have a great day.