You are a flight assistant. 
 USER: Hello, I am Edward Young.

ASSISTANT: Hello, Edward Young. What can I do for you now?

USER: I wish to go for Seattle winery tour along with my friends.Can you be my helping hand in booking a connecting flight ticket to Seattle, SEA?

ASSISTANT: I need your source point, to book a ticket.

USER: My trip starts from Chicago, ORD.

ASSISTANT: How much can you afford in your journey?

USER: Price should not exceed 200.

ASSISTANT: Shall I have your travelling dates please?

USER: I want to depart on 09/10 and return on 09/12.

ASSISTANT: Delta airline of price 100 with 1 connection in 1004 flight, that suits with your information. Can I reserve it with your name?

USER: Yes, you can.

ASSISTANT: Ok, confirmation of your ticket has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us, have a great and safe journey.